]> git.wh0rd.org - tt-rss.git/blob - simplepie/simplepie.inc
git.wh0rd.org / tt-rss.git / blob
? search:


fce53d396fce8cc1a524033d0d5c74f428c05ad3
[tt-rss.git] / simplepie / simplepie.inc
1 <?php
2 /**
3 * SimplePie
4 *
5 * A PHP-Based RSS and Atom Feed Framework.
6 * Takes the hard work out of managing a complete RSS/Atom solution.
7 *
8 * Copyright (c) 2004-2007, Ryan Parman and Geoffrey Sneddon
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without modification, are
12 * permitted provided that the following conditions are met:
13 *
14 * * Redistributions of source code must retain the above copyright notice, this list of
15 * conditions and the following disclaimer.
16 *
17 * * Redistributions in binary form must reproduce the above copyright notice, this list
18 * of conditions and the following disclaimer in the documentation and/or other materials
19 * provided with the distribution.
20 *
21 * * Neither the name of the SimplePie Team nor the names of its contributors may be used
22 * to endorse or promote products derived from this software without specific prior
23 * written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
26 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
27 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
28 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 *
35 * @package SimplePie
36 * @version 1.1
37 * @copyright 2004-2007 Ryan Parman, Geoffrey Sneddon
38 * @author Ryan Parman
39 * @author Geoffrey Sneddon
40 * @link http://simplepie.org/ SimplePie
41 * @link http://simplepie.org/support/ Please submit all bug reports and feature requests to the SimplePie forums
42 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
43 * @todo phpDoc comments
44 */
45
46 /**
47 * SimplePie Name
48 */
49 define('SIMPLEPIE_NAME', 'SimplePie');
50
51 /**
52 * SimplePie Version
53 */
54 define('SIMPLEPIE_VERSION', '1.1');
55
56 /**
57 * SimplePie Build
58 */
59 define('SIMPLEPIE_BUILD', 20080102221556);
60
61 /**
62 * SimplePie Website URL
63 */
64 define('SIMPLEPIE_URL', 'http://simplepie.org');
65
66 /**
67 * SimplePie Useragent
68 * @see SimplePie::set_useragent()
69 */
70 define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed Parser; ' . SIMPLEPIE_URL . '; Allow like Gecko) Build/' . SIMPLEPIE_BUILD);
71
72 /**
73 * SimplePie Linkback
74 */
75 define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');
76
77 /**
78 * No Autodiscovery
79 * @see SimplePie::set_autodiscovery_level()
80 */
81 define('SIMPLEPIE_LOCATOR_NONE', 0);
82
83 /**
84 * Feed Link Element Autodiscovery
85 * @see SimplePie::set_autodiscovery_level()
86 */
87 define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1);
88
89 /**
90 * Local Feed Extension Autodiscovery
91 * @see SimplePie::set_autodiscovery_level()
92 */
93 define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2);
94
95 /**
96 * Local Feed Body Autodiscovery
97 * @see SimplePie::set_autodiscovery_level()
98 */
99 define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4);
100
101 /**
102 * Remote Feed Extension Autodiscovery
103 * @see SimplePie::set_autodiscovery_level()
104 */
105 define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8);
106
107 /**
108 * Remote Feed Body Autodiscovery
109 * @see SimplePie::set_autodiscovery_level()
110 */
111 define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16);
112
113 /**
114 * All Feed Autodiscovery
115 * @see SimplePie::set_autodiscovery_level()
116 */
117 define('SIMPLEPIE_LOCATOR_ALL', 31);
118
119 /**
120 * No known feed type
121 */
122 define('SIMPLEPIE_TYPE_NONE', 0);
123
124 /**
125 * RSS 0.90
126 */
127 define('SIMPLEPIE_TYPE_RSS_090', 1);
128
129 /**
130 * RSS 0.91 (Netscape)
131 */
132 define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2);
133
134 /**
135 * RSS 0.91 (Userland)
136 */
137 define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4);
138
139 /**
140 * RSS 0.91 (both Netscape and Userland)
141 */
142 define('SIMPLEPIE_TYPE_RSS_091', 6);
143
144 /**
145 * RSS 0.92
146 */
147 define('SIMPLEPIE_TYPE_RSS_092', 8);
148
149 /**
150 * RSS 0.93
151 */
152 define('SIMPLEPIE_TYPE_RSS_093', 16);
153
154 /**
155 * RSS 0.94
156 */
157 define('SIMPLEPIE_TYPE_RSS_094', 32);
158
159 /**
160 * RSS 1.0
161 */
162 define('SIMPLEPIE_TYPE_RSS_10', 64);
163
164 /**
165 * RSS 2.0
166 */
167 define('SIMPLEPIE_TYPE_RSS_20', 128);
168
169 /**
170 * RDF-based RSS
171 */
172 define('SIMPLEPIE_TYPE_RSS_RDF', 65);
173
174 /**
175 * Non-RDF-based RSS (truly intended as syndication format)
176 */
177 define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190);
178
179 /**
180 * All RSS
181 */
182 define('SIMPLEPIE_TYPE_RSS_ALL', 255);
183
184 /**
185 * Atom 0.3
186 */
187 define('SIMPLEPIE_TYPE_ATOM_03', 256);
188
189 /**
190 * Atom 1.0
191 */
192 define('SIMPLEPIE_TYPE_ATOM_10', 512);
193
194 /**
195 * All Atom
196 */
197 define('SIMPLEPIE_TYPE_ATOM_ALL', 768);
198
199 /**
200 * All feed types
201 */
202 define('SIMPLEPIE_TYPE_ALL', 1023);
203
204 /**
205 * No construct
206 */
207 define('SIMPLEPIE_CONSTRUCT_NONE', 0);
208
209 /**
210 * Text construct
211 */
212 define('SIMPLEPIE_CONSTRUCT_TEXT', 1);
213
214 /**
215 * HTML construct
216 */
217 define('SIMPLEPIE_CONSTRUCT_HTML', 2);
218
219 /**
220 * XHTML construct
221 */
222 define('SIMPLEPIE_CONSTRUCT_XHTML', 4);
223
224 /**
225 * base64-encoded construct
226 */
227 define('SIMPLEPIE_CONSTRUCT_BASE64', 8);
228
229 /**
230 * IRI construct
231 */
232 define('SIMPLEPIE_CONSTRUCT_IRI', 16);
233
234 /**
235 * A construct that might be HTML
236 */
237 define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32);
238
239 /**
240 * All constructs
241 */
242 define('SIMPLEPIE_CONSTRUCT_ALL', 63);
243
244 /**
245 * PCRE for HTML attributes
246 */
247 define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*');
248
249 /**
250 * PCRE for XML attributes
251 */
252 define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*');
253
254 /**
255 * XML Namespace
256 */
257 define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace');
258
259 /**
260 * Atom 1.0 Namespace
261 */
262 define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom');
263
264 /**
265 * Atom 0.3 Namespace
266 */
267 define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#');
268
269 /**
270 * RDF Namespace
271 */
272 define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
273
274 /**
275 * RSS 0.90 Namespace
276 */
277 define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/');
278
279 /**
280 * RSS 1.0 Namespace
281 */
282 define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/');
283
284 /**
285 * RSS 1.0 Content Module Namespace
286 */
287 define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/');
288
289 /**
290 * DC 1.0 Namespace
291 */
292 define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/');
293
294 /**
295 * DC 1.1 Namespace
296 */
297 define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/');
298
299 /**
300 * W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace
301 */
302 define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#');
303
304 /**
305 * GeoRSS Namespace
306 */
307 define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss');
308
309 /**
310 * Media RSS Namespace
311 */
312 define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/');
313
314 /**
315 * iTunes RSS Namespace
316 */
317 define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
318
319 /**
320 * XHTML Namespace
321 */
322 define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml');
323
324 /**
325 * IANA Link Relations Registry
326 */
327 define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/');
328
329 /**
330 * Whether we're running on PHP5
331 */
332 define('SIMPLEPIE_PHP5', version_compare(PHP_VERSION, '5.0.0', '>='));
333
334 /**
335 * No file source
336 */
337 define('SIMPLEPIE_FILE_SOURCE_NONE', 0);
338
339 /**
340 * Remote file source
341 */
342 define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1);
343
344 /**
345 * Local file source
346 */
347 define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2);
348
349 /**
350 * fsockopen() file source
351 */
352 define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4);
353
354 /**
355 * cURL file source
356 */
357 define('SIMPLEPIE_FILE_SOURCE_CURL', 8);
358
359 /**
360 * file_get_contents() file source
361 */
362 define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);
363
364 /**
365 * SimplePie
366 *
367 * @package SimplePie
368 * @version "Razzleberry"
369 * @copyright 2004-2007 Ryan Parman, Geoffrey Sneddon
370 * @author Ryan Parman
371 * @author Geoffrey Sneddon
372 * @todo Option for type of fetching (cache, not modified header, fetch, etc.)
373 */
374 class SimplePie
375 {
376 /**
377 * @var array Raw data
378 * @access private
379 */
380 var $data = array();
381
382 /**
383 * @var mixed Error string
384 * @access private
385 */
386 var $error;
387
388 /**
389 * @var object Instance of SimplePie_Sanitize (or other class)
390 * @see SimplePie::set_sanitize_class()
391 * @access private
392 */
393 var $sanitize;
394
395 /**
396 * @var string SimplePie Useragent
397 * @see SimplePie::set_useragent()
398 * @access private
399 */
400 var $useragent = SIMPLEPIE_USERAGENT;
401
402 /**
403 * @var string Feed URL
404 * @see SimplePie::set_feed_url()
405 * @access private
406 */
407 var $feed_url;
408
409 /**
410 * @var object Instance of SimplePie_File to use as a feed
411 * @see SimplePie::set_file()
412 * @access private
413 */
414 var $file;
415
416 /**
417 * @var string Raw feed data
418 * @see SimplePie::set_raw_data()
419 * @access private
420 */
421 var $raw_data;
422
423 /**
424 * @var int Timeout for fetching remote files
425 * @see SimplePie::set_timeout()
426 * @access private
427 */
428 var $timeout = 10;
429
430 /**
431 * @var bool Forces fsockopen() to be used for remote files instead
432 * of cURL, even if a new enough version is installed
433 * @see SimplePie::force_fsockopen()
434 * @access private
435 */
436 var $force_fsockopen = false;
437
438 /**
439 * @var bool Force the given data/URL to be treated as a feed no matter what
440 * it appears like
441 * @see SimplePie::force_feed()
442 * @access private
443 */
444 var $force_feed = false;
445
446 /**
447 * @var bool Enable/Disable XML dump
448 * @see SimplePie::enable_xml_dump()
449 * @access private
450 */
451 var $xml_dump = false;
452
453 /**
454 * @var bool Enable/Disable Caching
455 * @see SimplePie::enable_cache()
456 * @access private
457 */
458 var $cache = true;
459
460 /**
461 * @var int Cache duration (in seconds)
462 * @see SimplePie::set_cache_duration()
463 * @access private
464 */
465 var $cache_duration = 3600;
466
467 /**
468 * @var int Auto-discovery cache duration (in seconds)
469 * @see SimplePie::set_autodiscovery_cache_duration()
470 * @access private
471 */
472 var $autodiscovery_cache_duration = 604800; // 7 Days.
473
474 /**
475 * @var string Cache location (relative to executing script)
476 * @see SimplePie::set_cache_location()
477 * @access private
478 */
479 var $cache_location = './cache';
480
481 /**
482 * @var string Function that creates the cache filename
483 * @see SimplePie::set_cache_name_function()
484 * @access private
485 */
486 var $cache_name_function = 'md5';
487
488 /**
489 * @var bool Reorder feed by date descending
490 * @see SimplePie::enable_order_by_date()
491 * @access private
492 */
493 var $order_by_date = true;
494
495 /**
496 * @var mixed Force input encoding to be set to the follow value
497 * (false, or anything type-cast to false, disables this feature)
498 * @see SimplePie::set_input_encoding()
499 * @access private
500 */
501 var $input_encoding = false;
502
503 /**
504 * @var int Feed Autodiscovery Level
505 * @see SimplePie::set_autodiscovery_level()
506 * @access private
507 */
508 var $autodiscovery = SIMPLEPIE_LOCATOR_ALL;
509
510 /**
511 * @var string Class used for caching feeds
512 * @see SimplePie::set_cache_class()
513 * @access private
514 */
515 var $cache_class = 'SimplePie_Cache';
516
517 /**
518 * @var string Class used for locating feeds
519 * @see SimplePie::set_locator_class()
520 * @access private
521 */
522 var $locator_class = 'SimplePie_Locator';
523
524 /**
525 * @var string Class used for parsing feeds
526 * @see SimplePie::set_parser_class()
527 * @access private
528 */
529 var $parser_class = 'SimplePie_Parser';
530
531 /**
532 * @var string Class used for fetching feeds
533 * @see SimplePie::set_file_class()
534 * @access private
535 */
536 var $file_class = 'SimplePie_File';
537
538 /**
539 * @var string Class used for items
540 * @see SimplePie::set_item_class()
541 * @access private
542 */
543 var $item_class = 'SimplePie_Item';
544
545 /**
546 * @var string Class used for authors
547 * @see SimplePie::set_author_class()
548 * @access private
549 */
550 var $author_class = 'SimplePie_Author';
551
552 /**
553 * @var string Class used for categories
554 * @see SimplePie::set_category_class()
555 * @access private
556 */
557 var $category_class = 'SimplePie_Category';
558
559 /**
560 * @var string Class used for enclosures
561 * @see SimplePie::set_enclosures_class()
562 * @access private
563 */
564 var $enclosure_class = 'SimplePie_Enclosure';
565
566 /**
567 * @var string Class used for Media RSS <media:text> captions
568 * @see SimplePie::set_caption_class()
569 * @access private
570 */
571 var $caption_class = 'SimplePie_Caption';
572
573 /**
574 * @var string Class used for Media RSS <media:copyright>
575 * @see SimplePie::set_copyright_class()
576 * @access private
577 */
578 var $copyright_class = 'SimplePie_Copyright';
579
580 /**
581 * @var string Class used for Media RSS <media:credit>
582 * @see SimplePie::set_credit_class()
583 * @access private
584 */
585 var $credit_class = 'SimplePie_Credit';
586
587 /**
588 * @var string Class used for Media RSS <media:rating>
589 * @see SimplePie::set_rating_class()
590 * @access private
591 */
592 var $rating_class = 'SimplePie_Rating';
593
594 /**
595 * @var string Class used for Media RSS <media:restriction>
596 * @see SimplePie::set_restriction_class()
597 * @access private
598 */
599 var $restriction_class = 'SimplePie_Restriction';
600
601 /**
602 * @var string Class used for content-type sniffing
603 * @see SimplePie::set_content_type_sniffer_class()
604 * @access private
605 */
606 var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';
607
608 /**
609 * @var string Class used for item sources.
610 * @see SimplePie::set_source_class()
611 * @access private
612 */
613 var $source_class = 'SimplePie_Source';
614
615 /**
616 * @var mixed Set javascript query string parameter (false, or
617 * anything type-cast to false, disables this feature)
618 * @see SimplePie::set_javascript()
619 * @access private
620 */
621 var $javascript = 'js';
622
623 /**
624 * @var int Maximum number of feeds to check with autodiscovery
625 * @see SimplePie::set_max_checked_feeds()
626 * @access private
627 */
628 var $max_checked_feeds = 10;
629
630 /**
631 * @var string Web-accessible path to the handler_favicon.php file.
632 * @see SimplePie::set_favicon_handler()
633 * @access private
634 */
635 var $favicon_handler = '';
636
637 /**
638 * @var string Web-accessible path to the handler_image.php file.
639 * @see SimplePie::set_image_handler()
640 * @access private
641 */
642 var $image_handler = '';
643
644 /**
645 * @var array Stores the URLs when multiple feeds are being initialized.
646 * @see SimplePie::set_feed_url()
647 * @access private
648 */
649 var $multifeed_url = array();
650
651 /**
652 * @var array Stores SimplePie objects when multiple feeds initialized.
653 * @access private
654 */
655 var $multifeed_objects = array();
656
657 /**
658 * @var array Stores the get_object_vars() array for use with multifeeds.
659 * @see SimplePie::set_feed_url()
660 * @access private
661 */
662 var $config_settings = null;
663
664 /**
665 * @var integer Stores the number of items to return per-feed with multifeeds.
666 * @see SimplePie::set_item_limit()
667 * @access private
668 */
669 var $item_limit = 0;
670
671 /**
672 * @var array Stores the default attributes to be stripped by strip_attributes().
673 * @see SimplePie::strip_attributes()
674 * @access private
675 */
676 var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
677
678 /**
679 * @var array Stores the default tags to be stripped by strip_htmltags().
680 * @see SimplePie::strip_htmltags()
681 * @access private
682 */
683 var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
684
685 /**
686 * The SimplePie class contains feed level data and options
687 *
688 * There are two ways that you can create a new SimplePie object. The first
689 * is by passing a feed URL as a parameter to the SimplePie constructor
690 * (as well as optionally setting the cache location and cache expiry). This
691 * will initialise the whole feed with all of the default settings, and you
692 * can begin accessing methods and properties immediately.
693 *
694 * The second way is to create the SimplePie object with no parameters
695 * at all. This will enable you to set configuration options. After setting
696 * them, you must initialise the feed using $feed->init(). At that point the
697 * object's methods and properties will be available to you. This format is
698 * what is used throughout this documentation.
699 *
700 * @access public
701 * @since 1.0 Preview Release
702 * @param string $feed_url This is the URL you want to parse.
703 * @param string $cache_location This is where you want the cache to be stored.
704 * @param int $cache_duration This is the number of seconds that you want to store the cache file for.
705 */
706 function SimplePie($feed_url = null, $cache_location = null, $cache_duration = null)
707 {
708 // Other objects, instances created here so we can set options on them
709 $this->sanitize =& new SimplePie_Sanitize;
710
711 // Set options if they're passed to the constructor
712 if ($cache_location !== null)
713 {
714 $this->set_cache_location($cache_location);
715 }
716
717 if ($cache_duration !== null)
718 {
719 $this->set_cache_duration($cache_duration);
720 }
721
722 // Only init the script if we're passed a feed URL
723 if ($feed_url !== null)
724 {
725 $this->set_feed_url($feed_url);
726 $this->init();
727 }
728 }
729
730 /**
731 * Used for converting object to a string
732 */
733 function __toString()
734 {
735 return md5(serialize($this->data));
736 }
737
738 /**
739 * Remove items that link back to this before destroying this object
740 */
741 function __destruct()
742 {
743 if (!empty($this->data['items']))
744 {
745 foreach ($this->data['items'] as $item)
746 {
747 $item->__destruct();
748 }
749 unset($this->data['items']);
750 }
751 if (!empty($this->data['ordered_items']))
752 {
753 foreach ($this->data['ordered_items'] as $item)
754 {
755 $item->__destruct();
756 }
757 unset($this->data['ordered_items']);
758 }
759 }
760
761 /**
762 * Force the given data/URL to be treated as a feed no matter what it
763 * appears like
764 *
765 * @access public
766 * @since 1.1
767 * @param bool $enable Force the given data/URL to be treated as a feed
768 */
769 function force_feed($enable = false)
770 {
771 $this->force_feed = (bool) $enable;
772 }
773
774 /**
775 * This is the URL of the feed you want to parse.
776 *
777 * This allows you to enter the URL of the feed you want to parse, or the
778 * website you want to try to use auto-discovery on. This takes priority
779 * over any set raw data.
780 *
781 * You can set multiple feeds to mash together by passing an array instead
782 * of a string for the $url. Remember that with each additional feed comes
783 * additional processing and resources.
784 *
785 * @access public
786 * @since 1.0 Preview Release
787 * @param mixed $url This is the URL (or array of URLs) that you want to parse.
788 * @see SimplePie::set_raw_data()
789 */
790 function set_feed_url($url)
791 {
792 if (is_array($url))
793 {
794 $this->multifeed_url = array();
795 foreach ($url as $value)
796 {
797 $this->multifeed_url[] = SimplePie_Misc::fix_protocol($value, 1);
798 }
799 }
800 else
801 {
802 $this->feed_url = SimplePie_Misc::fix_protocol($url, 1);
803 }
804 }
805
806 /**
807 * Provides an instance of SimplePie_File to use as a feed
808 *
809 * @access public
810 * @param object &$file Instance of SimplePie_File (or subclass)
811 * @return bool True on success, false on failure
812 */
813 function set_file(&$file)
814 {
815 if (is_a($file, 'SimplePie_File'))
816 {
817 $this->feed_url = $file->url;
818 $this->file =& $file;
819 return true;
820 }
821 return false;
822 }
823
824 /**
825 * Allows you to use a string of RSS/Atom data instead of a remote feed.
826 *
827 * If you have a feed available as a string in PHP, you can tell SimplePie
828 * to parse that data string instead of a remote feed. Any set feed URL
829 * takes precedence.
830 *
831 * @access public
832 * @since 1.0 Beta 3
833 * @param string $data RSS or Atom data as a string.
834 * @see SimplePie::set_feed_url()
835 */
836 function set_raw_data($data)
837 {
838 $this->raw_data = trim($data);
839 }
840
841 /**
842 * Allows you to override the default timeout for fetching remote feeds.
843 *
844 * This allows you to change the maximum time the feed's server to respond
845 * and send the feed back.
846 *
847 * @access public
848 * @since 1.0 Beta 3
849 * @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed.
850 */
851 function set_timeout($timeout = 10)
852 {
853 $this->timeout = (int) $timeout;
854 }
855
856 /**
857 * Forces SimplePie to use fsockopen() instead of the preferred cURL
858 * functions.
859 *
860 * @access public
861 * @since 1.0 Beta 3
862 * @param bool $enable Force fsockopen() to be used
863 */
864 function force_fsockopen($enable = false)
865 {
866 $this->force_fsockopen = (bool) $enable;
867 }
868
869 /**
870 * Outputs the raw XML content of the feed, after it has gone through
871 * SimplePie's filters.
872 *
873 * Used only for debugging, this function will output the XML content as
874 * text/xml. When SimplePie reads in a feed, it does a bit of cleaning up
875 * before trying to parse it. Many parts of the feed are re-written in
876 * memory, and in the end, you have a parsable feed. XML dump shows you the
877 * actual XML that SimplePie tries to parse, which may or may not be very
878 * different from the original feed.
879 *
880 * @access public
881 * @since 1.0 Preview Release
882 * @param bool $enable Enable XML dump
883 */
884 function enable_xml_dump($enable = false)
885 {
886 $this->xml_dump = (bool) $enable;
887 }
888
889 /**
890 * Enables/disables caching in SimplePie.
891 *
892 * This option allows you to disable caching all-together in SimplePie.
893 * However, disabling the cache can lead to longer load times.
894 *
895 * @access public
896 * @since 1.0 Preview Release
897 * @param bool $enable Enable caching
898 */
899 function enable_cache($enable = true)
900 {
901 $this->cache = (bool) $enable;
902 }
903
904 /**
905 * Set the length of time (in seconds) that the contents of a feed
906 * will be cached.
907 *
908 * @access public
909 * @param int $seconds The feed content cache duration.
910 */
911 function set_cache_duration($seconds = 3600)
912 {
913 $this->cache_duration = (int) $seconds;
914 }
915
916 /**
917 * Set the length of time (in seconds) that the autodiscovered feed
918 * URL will be cached.
919 *
920 * @access public
921 * @param int $seconds The autodiscovered feed URL cache duration.
922 */
923 function set_autodiscovery_cache_duration($seconds = 604800)
924 {
925 $this->autodiscovery_cache_duration = (int) $seconds;
926 }
927
928 /**
929 * Set the file system location where the cached files should be stored.
930 *
931 * @access public
932 * @param string $location The file system location.
933 */
934 function set_cache_location($location = './cache')
935 {
936 $this->cache_location = (string) $location;
937 }
938
939 /**
940 * Determines whether feed items should be sorted into reverse chronological order.
941 *
942 * @access public
943 * @param bool $enable Sort as reverse chronological order.
944 */
945 function enable_order_by_date($enable = true)
946 {
947 $this->order_by_date = (bool) $enable;
948 }
949
950 /**
951 * Allows you to override the character encoding reported by the feed.
952 *
953 * @access public
954 * @param string $encoding Character encoding.
955 */
956 function set_input_encoding($encoding = false)
957 {
958 if ($encoding)
959 {
960 $this->input_encoding = (string) $encoding;
961 }
962 else
963 {
964 $this->input_encoding = false;
965 }
966 }
967
968 /**
969 * Set how much feed autodiscovery to do
970 *
971 * @access public
972 * @see SIMPLEPIE_LOCATOR_NONE
973 * @see SIMPLEPIE_LOCATOR_AUTODISCOVERY
974 * @see SIMPLEPIE_LOCATOR_LOCAL_EXTENSION
975 * @see SIMPLEPIE_LOCATOR_LOCAL_BODY
976 * @see SIMPLEPIE_LOCATOR_REMOTE_EXTENSION
977 * @see SIMPLEPIE_LOCATOR_REMOTE_BODY
978 * @see SIMPLEPIE_LOCATOR_ALL
979 * @param int $level Feed Autodiscovery Level (level can be a
980 * combination of the above constants, see bitwise OR operator)
981 */
982 function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
983 {
984 $this->autodiscovery = (int) $level;
985 }
986
987 /**
988 * Allows you to change which class SimplePie uses for caching.
989 * Useful when you are overloading or extending SimplePie's default classes.
990 *
991 * @access public
992 * @param string $class Name of custom class.
993 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
994 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
995 */
996 function set_cache_class($class = 'SimplePie_Cache')
997 {
998 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache'))
999 {
1000 $this->cache_class = $class;
1001 return true;
1002 }
1003 return false;
1004 }
1005
1006 /**
1007 * Allows you to change which class SimplePie uses for auto-discovery.
1008 * Useful when you are overloading or extending SimplePie's default classes.
1009 *
1010 * @access public
1011 * @param string $class Name of custom class.
1012 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1013 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1014 */
1015 function set_locator_class($class = 'SimplePie_Locator')
1016 {
1017 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator'))
1018 {
1019 $this->locator_class = $class;
1020 return true;
1021 }
1022 return false;
1023 }
1024
1025 /**
1026 * Allows you to change which class SimplePie uses for XML parsing.
1027 * Useful when you are overloading or extending SimplePie's default classes.
1028 *
1029 * @access public
1030 * @param string $class Name of custom class.
1031 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1032 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1033 */
1034 function set_parser_class($class = 'SimplePie_Parser')
1035 {
1036 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser'))
1037 {
1038 $this->parser_class = $class;
1039 return true;
1040 }
1041 return false;
1042 }
1043
1044 /**
1045 * Allows you to change which class SimplePie uses for remote file fetching.
1046 * Useful when you are overloading or extending SimplePie's default classes.
1047 *
1048 * @access public
1049 * @param string $class Name of custom class.
1050 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1051 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1052 */
1053 function set_file_class($class = 'SimplePie_File')
1054 {
1055 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File'))
1056 {
1057 $this->file_class = $class;
1058 return true;
1059 }
1060 return false;
1061 }
1062
1063 /**
1064 * Allows you to change which class SimplePie uses for data sanitization.
1065 * Useful when you are overloading or extending SimplePie's default classes.
1066 *
1067 * @access public
1068 * @param string $class Name of custom class.
1069 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1070 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1071 */
1072 function set_sanitize_class($class = 'SimplePie_Sanitize')
1073 {
1074 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize'))
1075 {
1076 $this->sanitize =& new $class;
1077 return true;
1078 }
1079 return false;
1080 }
1081
1082 /**
1083 * Allows you to change which class SimplePie uses for handling feed items.
1084 * Useful when you are overloading or extending SimplePie's default classes.
1085 *
1086 * @access public
1087 * @param string $class Name of custom class.
1088 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1089 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1090 */
1091 function set_item_class($class = 'SimplePie_Item')
1092 {
1093 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item'))
1094 {
1095 $this->item_class = $class;
1096 return true;
1097 }
1098 return false;
1099 }
1100
1101 /**
1102 * Allows you to change which class SimplePie uses for handling author data.
1103 * Useful when you are overloading or extending SimplePie's default classes.
1104 *
1105 * @access public
1106 * @param string $class Name of custom class.
1107 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1108 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1109 */
1110 function set_author_class($class = 'SimplePie_Author')
1111 {
1112 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author'))
1113 {
1114 $this->author_class = $class;
1115 return true;
1116 }
1117 return false;
1118 }
1119
1120 /**
1121 * Allows you to change which class SimplePie uses for handling category data.
1122 * Useful when you are overloading or extending SimplePie's default classes.
1123 *
1124 * @access public
1125 * @param string $class Name of custom class.
1126 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1127 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1128 */
1129 function set_category_class($class = 'SimplePie_Category')
1130 {
1131 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category'))
1132 {
1133 $this->category_class = $class;
1134 return true;
1135 }
1136 return false;
1137 }
1138
1139 /**
1140 * Allows you to change which class SimplePie uses for feed enclosures.
1141 * Useful when you are overloading or extending SimplePie's default classes.
1142 *
1143 * @access public
1144 * @param string $class Name of custom class.
1145 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1146 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1147 */
1148 function set_enclosure_class($class = 'SimplePie_Enclosure')
1149 {
1150 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure'))
1151 {
1152 $this->enclosure_class = $class;
1153 return true;
1154 }
1155 return false;
1156 }
1157
1158 /**
1159 * Allows you to change which class SimplePie uses for <media:text> captions
1160 * Useful when you are overloading or extending SimplePie's default classes.
1161 *
1162 * @access public
1163 * @param string $class Name of custom class.
1164 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1165 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1166 */
1167 function set_caption_class($class = 'SimplePie_Caption')
1168 {
1169 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption'))
1170 {
1171 $this->caption_class = $class;
1172 return true;
1173 }
1174 return false;
1175 }
1176
1177 /**
1178 * Allows you to change which class SimplePie uses for <media:copyright>
1179 * Useful when you are overloading or extending SimplePie's default classes.
1180 *
1181 * @access public
1182 * @param string $class Name of custom class.
1183 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1184 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1185 */
1186 function set_copyright_class($class = 'SimplePie_Copyright')
1187 {
1188 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright'))
1189 {
1190 $this->copyright_class = $class;
1191 return true;
1192 }
1193 return false;
1194 }
1195
1196 /**
1197 * Allows you to change which class SimplePie uses for <media:credit>
1198 * Useful when you are overloading or extending SimplePie's default classes.
1199 *
1200 * @access public
1201 * @param string $class Name of custom class.
1202 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1203 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1204 */
1205 function set_credit_class($class = 'SimplePie_Credit')
1206 {
1207 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit'))
1208 {
1209 $this->credit_class = $class;
1210 return true;
1211 }
1212 return false;
1213 }
1214
1215 /**
1216 * Allows you to change which class SimplePie uses for <media:rating>
1217 * Useful when you are overloading or extending SimplePie's default classes.
1218 *
1219 * @access public
1220 * @param string $class Name of custom class.
1221 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1222 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1223 */
1224 function set_rating_class($class = 'SimplePie_Rating')
1225 {
1226 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating'))
1227 {
1228 $this->rating_class = $class;
1229 return true;
1230 }
1231 return false;
1232 }
1233
1234 /**
1235 * Allows you to change which class SimplePie uses for <media:restriction>
1236 * Useful when you are overloading or extending SimplePie's default classes.
1237 *
1238 * @access public
1239 * @param string $class Name of custom class.
1240 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1241 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1242 */
1243 function set_restriction_class($class = 'SimplePie_Restriction')
1244 {
1245 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction'))
1246 {
1247 $this->restriction_class = $class;
1248 return true;
1249 }
1250 return false;
1251 }
1252
1253 /**
1254 * Allows you to change which class SimplePie uses for content-type sniffing.
1255 * Useful when you are overloading or extending SimplePie's default classes.
1256 *
1257 * @access public
1258 * @param string $class Name of custom class.
1259 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1260 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1261 */
1262 function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer')
1263 {
1264 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Content_Type_Sniffer'))
1265 {
1266 $this->content_type_sniffer_class = $class;
1267 return true;
1268 }
1269 return false;
1270 }
1271
1272 /**
1273 * Allows you to change which class SimplePie uses item sources.
1274 * Useful when you are overloading or extending SimplePie's default classes.
1275 *
1276 * @access public
1277 * @param string $class Name of custom class.
1278 * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
1279 * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
1280 */
1281 function set_source_class($class = 'SimplePie_Source')
1282 {
1283 if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source'))
1284 {
1285 $this->source_class = $class;
1286 return true;
1287 }
1288 return false;
1289 }
1290
1291 /**
1292 * Allows you to override the default user agent string.
1293 *
1294 * @access public
1295 * @param string $ua New user agent string.
1296 */
1297 function set_useragent($ua = SIMPLEPIE_USERAGENT)
1298 {
1299 $this->useragent = (string) $ua;
1300 }
1301
1302 /**
1303 * Set callback function to create cache filename with
1304 *
1305 * @access public
1306 * @param mixed $function Callback function
1307 */
1308 function set_cache_name_function($function = 'md5')
1309 {
1310 if (is_callable($function))
1311 {
1312 $this->cache_name_function = $function;
1313 }
1314 }
1315
1316 /**
1317 * Set javascript query string parameter
1318 *
1319 * @access public
1320 * @param mixed $get Javascript query string parameter
1321 */
1322 function set_javascript($get = 'js')
1323 {
1324 if ($get)
1325 {
1326 $this->javascript = (string) $get;
1327 }
1328 else
1329 {
1330 $this->javascript = false;
1331 }
1332 }
1333
1334 /**
1335 * Set options to make SP as fast as possible. Forgoes a
1336 * substantial amount of data sanitization in favor of speed.
1337 *
1338 * @access public
1339 * @param bool $set Whether to set them or not
1340 */
1341 function set_stupidly_fast($set = false)
1342 {
1343 if ($set)
1344 {
1345 $this->enable_order_by_date(false);
1346 $this->remove_div(false);
1347 $this->strip_comments(false);
1348 $this->strip_htmltags(false);
1349 $this->strip_attributes(false);
1350 $this->set_image_handler(false);
1351 }
1352 }
1353
1354 /**
1355 * Set maximum number of feeds to check with autodiscovery
1356 *
1357 * @access public
1358 * @param int $max Maximum number of feeds to check
1359 */
1360 function set_max_checked_feeds($max = 10)
1361 {
1362 $this->max_checked_feeds = (int) $max;
1363 }
1364
1365 function remove_div($enable = true)
1366 {
1367 $this->sanitize->remove_div($enable);
1368 }
1369
1370 function strip_htmltags($tags = '', $encode = null)
1371 {
1372 if ($tags === '')
1373 {
1374 $tags = $this->strip_htmltags;
1375 }
1376 $this->sanitize->strip_htmltags($tags);
1377 if ($encode !== null)
1378 {
1379 $this->sanitize->encode_instead_of_strip($tags);
1380 }
1381 }
1382
1383 function encode_instead_of_strip($enable = true)
1384 {
1385 $this->sanitize->encode_instead_of_strip($enable);
1386 }
1387
1388 function strip_attributes($attribs = '')
1389 {
1390 if ($attribs === '')
1391 {
1392 $attribs = $this->strip_attributes;
1393 }
1394 $this->sanitize->strip_attributes($attribs);
1395 }
1396
1397 function set_output_encoding($encoding = 'UTF-8')
1398 {
1399 $this->sanitize->set_output_encoding($encoding);
1400 }
1401
1402 function strip_comments($strip = false)
1403 {
1404 $this->sanitize->strip_comments($strip);
1405 }
1406
1407 /**
1408 * Set element/attribute key/value pairs of HTML attributes
1409 * containing URLs that need to be resolved relative to the feed
1410 *
1411 * @access public
1412 * @since 1.0
1413 * @param array $element_attribute Element/attribute key/value pairs
1414 */
1415 function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
1416 {
1417 $this->sanitize->set_url_replacements($element_attribute);
1418 }
1419
1420 /**
1421 * Set the handler to enable the display of cached favicons.
1422 *
1423 * @access public
1424 * @param str $page Web-accessible path to the handler_favicon.php file.
1425 * @param str $qs The query string that the value should be passed to.
1426 */
1427 function set_favicon_handler($page = false, $qs = 'i')
1428 {
1429 if ($page != false)
1430 {
1431 $this->favicon_handler = $page . '?' . $qs . '=';
1432 }
1433 else
1434 {
1435 $this->favicon_handler = '';
1436 }
1437 }
1438
1439 /**
1440 * Set the handler to enable the display of cached images.
1441 *
1442 * @access public
1443 * @param str $page Web-accessible path to the handler_image.php file.
1444 * @param str $qs The query string that the value should be passed to.
1445 */
1446 function set_image_handler($page = false, $qs = 'i')
1447 {
1448 if ($page != false)
1449 {
1450 $this->sanitize->set_image_handler($page . '?' . $qs . '=');
1451 }
1452 else
1453 {
1454 $this->image_handler = '';
1455 }
1456 }
1457
1458 /**
1459 * Set the limit for items returned per-feed with multifeeds.
1460 *
1461 * @access public
1462 * @param integer $limit The maximum number of items to return.
1463 */
1464 function set_item_limit($limit = 0)
1465 {
1466 $this->item_limit = (int) $limit;
1467 }
1468
1469 function init()
1470 {
1471 if ((function_exists('version_compare') && version_compare(PHP_VERSION, '4.3.0', '<')) || !extension_loaded('xml') || !extension_loaded('pcre'))
1472 {
1473 return false;
1474 }
1475 if (isset($_GET[$this->javascript]))
1476 {
1477 if (function_exists('ob_gzhandler'))
1478 {
1479 ob_start('ob_gzhandler');
1480 }
1481 header('Content-type: text/javascript; charset: UTF-8');
1482 header('Cache-Control: must-revalidate');
1483 header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days
1484 ?>
1485 function embed_odeo(link) {
1486 document.writeln('<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url='+link+'"></embed>');
1487 }
1488
1489 function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {
1490 if (placeholder != '') {
1491 document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
1492 }
1493 else {
1494 document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>');
1495 }
1496 }
1497
1498 function embed_flash(bgcolor, width, height, link, loop, type) {
1499 document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>');
1500 }
1501
1502 function embed_flv(width, height, link, placeholder, loop, player) {
1503 document.writeln('<embed src="'+player+'" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="'+width+'" height="'+height+'" wmode="transparent" flashvars="file='+link+'&autostart=false&repeat='+loop+'&showdigits=true&showfsbutton=false"></embed>');
1504 }
1505
1506 function embed_wmedia(width, height, link) {
1507 document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>');
1508 }
1509 <?php
1510 exit;
1511 }
1512
1513 // Pass whatever was set with config options over to the sanitizer.
1514 $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class);
1515 $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen);
1516
1517 if ($this->feed_url !== null || $this->raw_data !== null)
1518 {
1519 $this->data = array();
1520 $this->multifeed_objects = array();
1521 $cache = false;
1522
1523 if ($this->feed_url !== null)
1524 {
1525 $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
1526 // Decide whether to enable caching
1527 if ($this->cache && $parsed_feed_url['scheme'] !== '')
1528 {
1529 $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc');
1530 }
1531 // If it's enabled and we don't want an XML dump, use the cache
1532 if ($cache && !$this->xml_dump)
1533 {
1534 // Load the Cache
1535 $this->data = $cache->load();
1536 if (!empty($this->data))
1537 {
1538 // If the cache is for an outdated build of SimplePie
1539 if (!isset($this->data['build']) || $this->data['build'] != SIMPLEPIE_BUILD)
1540 {
1541 $cache->unlink();
1542 $this->data = array();
1543 }
1544 // If we've hit a collision just rerun it with caching disabled
1545 elseif (isset($this->data['url']) && $this->data['url'] != $this->feed_url)
1546 {
1547 $cache = false;
1548 $this->data = array();
1549 }
1550 // If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL.
1551 elseif (isset($this->data['feed_url']))
1552 {
1553 // If the autodiscovery cache is still valid use it.
1554 if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
1555 {
1556 // Do not need to do feed autodiscovery yet.
1557 if ($this->data['feed_url'] == $this->data['url'])
1558 {
1559 $cache->unlink();
1560 $this->data = array();
1561 }
1562 else
1563 {
1564 $this->set_feed_url($this->data['feed_url']);
1565 return $this->init();
1566 }
1567 }
1568 }
1569 // Check if the cache has been updated
1570 elseif ($cache->mtime() + $this->cache_duration < time())
1571 {
1572 // If we have last-modified and/or etag set
1573 if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
1574 {
1575 $headers = array();
1576 if (isset($this->data['headers']['last-modified']))
1577 {
1578 $headers['if-modified-since'] = $this->data['headers']['last-modified'];
1579 }
1580 if (isset($this->data['headers']['etag']))
1581 {
1582 $headers['if-none-match'] = '"' . $this->data['headers']['etag'] . '"';
1583 }
1584 $file =& new $this->file_class($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen);
1585 if ($file->success)
1586 {
1587 if ($file->status_code == 304)
1588 {
1589 $cache->touch();
1590 return true;
1591 }
1592 else
1593 {
1594 $headers = $file->headers;
1595 }
1596 }
1597 else
1598 {
1599 unset($file);
1600 }
1601 }
1602 }
1603 // If the cache is still valid, just return true
1604 else
1605 {
1606 return true;
1607 }
1608 }
1609 // If the cache is empty, delete it
1610 else
1611 {
1612 $cache->unlink();
1613 $this->data = array();
1614 }
1615 }
1616 // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
1617 if (!isset($file))
1618 {
1619 if (is_a($this->file, 'SimplePie_File') && $this->file->url == $this->feed_url)
1620 {
1621 $file =& $this->file;
1622 }
1623 else
1624 {
1625 $file =& new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen);
1626 }
1627 }
1628 // If the file connection has an error, set SimplePie::error to that and quit
1629 if (!$file->success)
1630 {
1631 $this->error = $file->error;
1632 if (!empty($this->data))
1633 {
1634 return true;
1635 }
1636 else
1637 {
1638 return false;
1639 }
1640 }
1641
1642 if (!$this->force_feed)
1643 {
1644 // Check if the supplied URL is a feed, if it isn't, look for it.
1645 $locate =& new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class);
1646 if (!$locate->is_feed($file))
1647 {
1648 // We need to unset this so that if SimplePie::set_file() has been called that object is untouched
1649 unset($file);
1650 if ($file = $locate->find($this->autodiscovery))
1651 {
1652 if ($cache)
1653 {
1654 $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
1655 if (!$cache->save($this))
1656 {
1657 trigger_error("$cache->name is not writeable", E_USER_WARNING);
1658 }
1659 $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc');
1660 }
1661 $this->feed_url = $file->url;
1662 }
1663 else
1664 {
1665 $this->error = "A feed could not be found at $this->feed_url";
1666 SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
1667 return false;
1668 }
1669 }
1670 $locate = null;
1671 }
1672
1673 $headers = $file->headers;
1674 $data = $file->body;
1675 $sniffer = new $this->content_type_sniffer_class($file);
1676 $sniffed = $sniffer->get_type();
1677 }
1678 else
1679 {
1680 $data = $this->raw_data;
1681 }
1682
1683 // Set up array of possible encodings
1684 $encodings = array();
1685
1686 // First check to see if input has been overridden.
1687 if ($this->input_encoding !== false)
1688 {
1689 $encodings[] = $this->input_encoding;
1690 }
1691
1692 $application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
1693 $text_types = array('text/xml', 'text/xml-external-parsed-entity');
1694
1695 // RFC 3023 (only applies to sniffed content)
1696 if (isset($sniffed))
1697 {
1698 if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml')
1699 {
1700 if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
1701 {
1702 $encodings[] = strtoupper($charset[1]);
1703 }
1704 $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
1705 $encodings[] = 'UTF-8';
1706 }
1707 elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
1708 {
1709 if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
1710 {
1711 $encodings[] = $charset[1];
1712 }
1713 $encodings[] = 'US-ASCII';
1714 }
1715 // Text MIME-type default
1716 elseif (substr($sniffed, 0, 5) === 'text/')
1717 {
1718 $encodings[] = 'US-ASCII';
1719 }
1720 }
1721
1722 // Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1
1723 $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
1724 $encodings[] = 'UTF-8';
1725 $encodings[] = 'ISO-8859-1';
1726
1727 // There's no point in trying an encoding twice
1728 $encodings = array_unique($encodings);
1729
1730 // If we want the XML, just output that with the most likely encoding and quit
1731 if ($this->xml_dump)
1732 {
1733 header('Content-type: text/xml; charset=' . $encodings[0]);
1734 echo $data;
1735 exit;
1736 }
1737
1738 // Loop through each possible encoding, till we return something, or run out of possibilities
1739 foreach ($encodings as $encoding)
1740 {
1741 // Change the encoding to UTF-8 (as we always use UTF-8 internally)
1742 $utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8');
1743
1744 // Create new parser
1745 $parser =& new $this->parser_class();
1746
1747 // If it's parsed fine
1748 if ($parser->parse($utf8_data, 'UTF-8'))
1749 {
1750 $this->data = $parser->get_data();
1751 if (isset($this->data['child']))
1752 {
1753 if (isset($headers))
1754 {
1755 $this->data['headers'] = $headers;
1756 }
1757 $this->data['build'] = SIMPLEPIE_BUILD;
1758
1759 // Cache the file if caching is enabled
1760 if ($cache && !$cache->save($this))
1761 {
1762 trigger_error("$cache->name is not writeable", E_USER_WARNING);
1763 }
1764 return true;
1765 }
1766 else
1767 {
1768 $this->error = "A feed could not be found at $this->feed_url";
1769 SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
1770 return false;
1771 }
1772 }
1773 }
1774 // We have an error, just set SimplePie::error to it and quit
1775 $this->error = sprintf('XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
1776 SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
1777 return false;
1778 }
1779 elseif (!empty($this->multifeed_url))
1780 {
1781 $i = 0;
1782 $success = 0;
1783 $this->multifeed_objects = array();
1784 foreach ($this->multifeed_url as $url)
1785 {
1786 if (SIMPLEPIE_PHP5)
1787 {
1788 // This keyword needs to defy coding standards for PHP4 compatibility
1789 $this->multifeed_objects[$i] = clone($this);
1790 }
1791 else
1792 {
1793 $this->multifeed_objects[$i] = $this;
1794 }
1795 $this->multifeed_objects[$i]->set_feed_url($url);
1796 $success |= $this->multifeed_objects[$i]->init();
1797 $i++;
1798 }
1799 return (bool) $success;
1800 }
1801 else
1802 {
1803 return false;
1804 }
1805 }
1806
1807 /**
1808 * Return the error message for the occured error
1809 *
1810 * @access public
1811 * @return string Error message
1812 */
1813 function error()
1814 {
1815 return $this->error;
1816 }
1817
1818 function get_encoding()
1819 {
1820 return $this->sanitize->output_encoding;
1821 }
1822
1823 function handle_content_type($mime = 'text/html')
1824 {
1825 if (!headers_sent())
1826 {
1827 $header = "Content-type: $mime;";
1828 if ($this->get_encoding())
1829 {
1830 $header .= ' charset=' . $this->get_encoding();
1831 }
1832 else
1833 {
1834 $header .= ' charset=UTF-8';
1835 }
1836 header($header);
1837 }
1838 }
1839
1840 function get_type()
1841 {
1842 if (!isset($this->data['type']))
1843 {
1844 $this->data['type'] = SIMPLEPIE_TYPE_ALL;
1845 if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed']))
1846 {
1847 $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10;
1848 }
1849 elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed']))
1850 {
1851 $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03;
1852 }
1853 elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF']))
1854 {
1855 if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel'])
1856 || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image'])
1857 || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])
1858 || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput']))
1859 {
1860 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_10;
1861 }
1862 if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel'])
1863 || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image'])
1864 || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])
1865 || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput']))
1866 {
1867 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_090;
1868 }
1869 }
1870 elseif (isset($this->data['child']['']['rss']))
1871 {
1872 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL;
1873 if (isset($this->data['child']['']['rss'][0]['attribs']['']['version']))
1874 {
1875 switch (trim($this->data['child']['']['rss'][0]['attribs']['']['version']))
1876 {
1877 case '0.91':
1878 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091;
1879 if (isset($this->data['child']['']['rss'][0]['child']['']['skiphours']['hour'][0]['data']))
1880 {
1881 switch (trim($this->data['child']['']['rss'][0]['child']['']['skiphours']['hour'][0]['data']))
1882 {
1883 case '0':
1884 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
1885 break;
1886
1887 case '24':
1888 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND;
1889 break;
1890 }
1891 }
1892 break;
1893
1894 case '0.92':
1895 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_092;
1896 break;
1897
1898 case '0.93':
1899 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_093;
1900 break;
1901
1902 case '0.94':
1903 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_094;
1904 break;
1905
1906 case '2.0':
1907 $this->data['type'] &= SIMPLEPIE_TYPE_RSS_20;
1908 break;
1909 }
1910 }
1911 }
1912 else
1913 {
1914 $this->data['type'] = SIMPLEPIE_TYPE_NONE;
1915 }
1916 }
1917 return $this->data['type'];
1918 }
1919
1920 /**
1921 * Returns the URL for the favicon of the feed's website.
1922 *
1923 * @todo Cache atom:icon
1924 * @access public
1925 * @since 1.0
1926 */
1927 function get_favicon()
1928 {
1929 if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
1930 {
1931 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
1932 }
1933 elseif (($url = $this->get_link()) !== null && preg_match('/^http(s)?:\/\//i', $url))
1934 {
1935 $favicon = SimplePie_Misc::absolutize_url('/favicon.ico', $url);
1936
1937 if ($this->cache && $this->favicon_handler)
1938 {
1939 $favicon_filename = call_user_func($this->cache_name_function, $favicon);
1940 $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, $favicon_filename, 'spi');
1941
1942 if ($cache->load())
1943 {
1944 return $this->sanitize($this->favicon_handler . $favicon_filename, SIMPLEPIE_CONSTRUCT_IRI);
1945 }
1946 else
1947 {
1948 $file =& new $this->file_class($favicon, $this->timeout / 10, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen);
1949
1950 if ($file->success && ($file->status_code == 200 || ($file->status_code > 206 && $file->status_code < 300)) && strlen($file->body) > 0)
1951 {
1952 $sniffer = new $this->content_type_sniffer_class($file);
1953 if (substr($sniffer->get_type(), 0, 6) === 'image/')
1954 {
1955 if ($cache->save(array('headers' => $file->headers, 'body' => $file->body)))
1956 {
1957 return $this->sanitize($this->favicon_handler . $favicon_filename, SIMPLEPIE_CONSTRUCT_IRI);
1958 }
1959 else
1960 {
1961 trigger_error("$cache->name is not writeable", E_USER_WARNING);
1962 return $this->sanitize($favicon, SIMPLEPIE_CONSTRUCT_IRI);
1963 }
1964 }
1965 }
1966 }
1967 }
1968 else
1969 {
1970 return $this->sanitize($favicon, SIMPLEPIE_CONSTRUCT_IRI);
1971 }
1972 }
1973 return false;
1974 }
1975
1976 /**
1977 * @todo If we have a perm redirect we should return the new URL
1978 * @todo When we make the above change, let's support <itunes:new-feed-url> as well
1979 * @todo Also, |atom:link|@rel=self
1980 */
1981 function subscribe_url()
1982 {
1983 if ($this->feed_url !== null)
1984 {
1985 return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI);
1986 }
1987 else
1988 {
1989 return null;
1990 }
1991 }
1992
1993 function subscribe_feed()
1994 {
1995 if ($this->feed_url !== null)
1996 {
1997 return $this->sanitize(SimplePie_Misc::fix_protocol($this->feed_url, 2), SIMPLEPIE_CONSTRUCT_IRI);
1998 }
1999 else
2000 {
2001 return null;
2002 }
2003 }
2004
2005 function subscribe_outlook()
2006 {
2007 if ($this->feed_url !== null)
2008 {
2009 return 'outlook' . $this->sanitize(SimplePie_Misc::fix_protocol($this->feed_url, 2), SIMPLEPIE_CONSTRUCT_IRI);
2010 }
2011 else
2012 {
2013 return null;
2014 }
2015 }
2016
2017 function subscribe_podcast()
2018 {
2019 if ($this->feed_url !== null)
2020 {
2021 return $this->sanitize(SimplePie_Misc::fix_protocol($this->feed_url, 3), SIMPLEPIE_CONSTRUCT_IRI);
2022 }
2023 else
2024 {
2025 return null;
2026 }
2027 }
2028
2029 function subscribe_itunes()
2030 {
2031 if ($this->feed_url !== null)
2032 {
2033 return $this->sanitize(SimplePie_Misc::fix_protocol($this->feed_url, 4), SIMPLEPIE_CONSTRUCT_IRI);
2034 }
2035 else
2036 {
2037 return null;
2038 }
2039 }
2040
2041 /**
2042 * Creates the subscribe_* methods' return data
2043 *
2044 * @access private
2045 * @param string $feed_url String to prefix to the feed URL
2046 * @param string $site_url String to prefix to the site URL (and
2047 * suffix to the feed URL)
2048 * @return mixed URL if feed exists, false otherwise
2049 */
2050 function subscribe_service($feed_url, $site_url = null)
2051 {
2052 if ($this->subscribe_url())
2053 {
2054 $return = $this->sanitize($feed_url, SIMPLEPIE_CONSTRUCT_IRI) . rawurlencode($this->feed_url);
2055 if ($site_url !== null && $this->get_link() !== null)
2056 {
2057 $return .= $this->sanitize($site_url, SIMPLEPIE_CONSTRUCT_IRI) . rawurlencode($this->get_link());
2058 }
2059 return $return;
2060 }
2061 else
2062 {
2063 return null;
2064 }
2065 }
2066
2067 function subscribe_aol()
2068 {
2069 return $this->subscribe_service('http://feeds.my.aol.com/add.jsp?url=');
2070 }
2071
2072 function subscribe_bloglines()
2073 {
2074 return urldecode($this->subscribe_service('http://www.bloglines.com/sub/'));
2075 }
2076
2077 function subscribe_eskobo()
2078 {
2079 return $this->subscribe_service('http://www.eskobo.com/?AddToMyPage=');
2080 }
2081
2082 function subscribe_feedfeeds()
2083 {
2084 return $this->subscribe_service('http://www.feedfeeds.com/add?feed=');
2085 }
2086
2087 function subscribe_feedster()
2088 {
2089 return $this->subscribe_service('http://www.feedster.com/myfeedster.php?action=addrss&confirm=no&rssurl=');
2090 }
2091
2092 function subscribe_google()
2093 {
2094 return $this->subscribe_service('http://fusion.google.com/add?feedurl=');
2095 }
2096
2097 function subscribe_gritwire()
2098 {
2099 return $this->subscribe_service('http://my.gritwire.com/feeds/addExternalFeed.aspx?FeedUrl=');
2100 }
2101
2102 function subscribe_msn()
2103 {
2104 return $this->subscribe_service('http://my.msn.com/addtomymsn.armx?id=rss&ut=', '&ru=');
2105 }
2106
2107 function subscribe_netvibes()
2108 {
2109 return $this->subscribe_service('http://www.netvibes.com/subscribe.php?url=');
2110 }
2111
2112 function subscribe_newsburst()
2113 {
2114 return $this->subscribe_service('http://www.newsburst.com/Source/?add=');
2115 }
2116
2117 function subscribe_newsgator()
2118 {
2119 return $this->subscribe_service('http://www.newsgator.com/ngs/subscriber/subext.aspx?url=');
2120 }
2121
2122 function subscribe_odeo()
2123 {
2124 return $this->subscribe_service('http://www.odeo.com/listen/subscribe?feed=');
2125 }
2126
2127 function subscribe_podnova()
2128 {
2129 return $this->subscribe_service('http://www.podnova.com/index_your_podcasts.srf?action=add&url=');
2130 }
2131
2132 function subscribe_rojo()
2133 {
2134 return $this->subscribe_service('http://www.rojo.com/add-subscription?resource=');
2135 }
2136
2137 function subscribe_yahoo()
2138 {
2139 return $this->subscribe_service('http://add.my.yahoo.com/rss?url=');
2140 }
2141
2142 function get_feed_tags($namespace, $tag)
2143 {
2144 $type = $this->get_type();
2145 if ($type & SIMPLEPIE_TYPE_ATOM_10)
2146 {
2147 if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag]))
2148 {
2149 return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag];
2150 }
2151 }
2152 if ($type & SIMPLEPIE_TYPE_ATOM_03)
2153 {
2154 if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag]))
2155 {
2156 return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag];
2157 }
2158 }
2159 if ($type & SIMPLEPIE_TYPE_RSS_RDF)
2160 {
2161 if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag]))
2162 {
2163 return $this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag];
2164 }
2165 }
2166 if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
2167 {
2168 if (isset($this->data['child']['']['rss'][0]['child'][$namespace][$tag]))
2169 {
2170 return $this->data['child']['']['rss'][0]['child'][$namespace][$tag];
2171 }
2172 }
2173 return null;
2174 }
2175
2176 function get_channel_tags($namespace, $tag)
2177 {
2178 $type = $this->get_type();
2179 if ($type & SIMPLEPIE_TYPE_ATOM_ALL)
2180 {
2181 if ($return = $this->get_feed_tags($namespace, $tag))
2182 {
2183 return $return;
2184 }
2185 }
2186 if ($type & SIMPLEPIE_TYPE_RSS_10)
2187 {
2188 if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'channel'))
2189 {
2190 if (isset($channel[0]['child'][$namespace][$tag]))
2191 {
2192 return $channel[0]['child'][$namespace][$tag];
2193 }
2194 }
2195 }
2196 if ($type & SIMPLEPIE_TYPE_RSS_090)
2197 {
2198 if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'channel'))
2199 {
2200 if (isset($channel[0]['child'][$namespace][$tag]))
2201 {
2202 return $channel[0]['child'][$namespace][$tag];
2203 }
2204 }
2205 }
2206 if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
2207 {
2208 if ($channel = $this->get_feed_tags('', 'channel'))
2209 {
2210 if (isset($channel[0]['child'][$namespace][$tag]))
2211 {
2212 return $channel[0]['child'][$namespace][$tag];
2213 }
2214 }
2215 }
2216 return null;
2217 }
2218
2219 function get_image_tags($namespace, $tag)
2220 {
2221 $type = $this->get_type();
2222 if ($type & SIMPLEPIE_TYPE_RSS_10)
2223 {
2224 if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'image'))
2225 {
2226 if (isset($image[0]['child'][$namespace][$tag]))
2227 {
2228 return $image[0]['child'][$namespace][$tag];
2229 }
2230 }
2231 }
2232 if ($type & SIMPLEPIE_TYPE_RSS_090)
2233 {
2234 if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'image'))
2235 {
2236 if (isset($image[0]['child'][$namespace][$tag]))
2237 {
2238 return $image[0]['child'][$namespace][$tag];
2239 }
2240 }
2241 }
2242 if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION)
2243 {
2244 if ($image = $this->get_channel_tags('', 'image'))
2245 {
2246 if (isset($image[0]['child'][$namespace][$tag]))
2247 {
2248 return $image[0]['child'][$namespace][$tag];
2249 }
2250 }
2251 }
2252 return null;
2253 }
2254
2255 function get_base($element = array())
2256 {
2257 if (!($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION) && !empty($element['xml_base_explicit']) && isset($element['xml_base']))
2258 {
2259 return $element['xml_base'];
2260 }
2261 elseif ($this->get_link() !== null)
2262 {
2263 return $this->get_link();
2264 }
2265 else
2266 {
2267 return $this->subscribe_url();
2268 }
2269 }
2270
2271 function sanitize($data, $type, $base = '')
2272 {
2273 return $this->sanitize->sanitize($data, $type, $base);
2274 }
2275
2276 function get_title()
2277 {
2278 if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
2279 {
2280 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
2281 }
2282 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
2283 {
2284 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
2285 }
2286 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
2287 {
2288 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
2289 }
2290 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
2291 {
2292 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
2293 }
2294 elseif ($return = $this->get_channel_tags('', 'title'))
2295 {
2296 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
2297 }
2298 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
2299 {
2300 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2301 }
2302 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
2303 {
2304 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2305 }
2306 else
2307 {
2308 return null;
2309 }
2310 }
2311
2312 function get_category($key = 0)
2313 {
2314 $categories = $this->get_categories();
2315 if (isset($categories[$key]))
2316 {
2317 return $categories[$key];
2318 }
2319 else
2320 {
2321 return null;
2322 }
2323 }
2324
2325 function get_categories()
2326 {
2327 $categories = array();
2328
2329 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
2330 {
2331 $term = null;
2332 $scheme = null;
2333 $label = null;
2334 if (isset($category['attribs']['']['term']))
2335 {
2336 $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
2337 }
2338 if (isset($category['attribs']['']['scheme']))
2339 {
2340 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
2341 }
2342 if (isset($category['attribs']['']['label']))
2343 {
2344 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
2345 }
2346 $categories[] =& new $this->category_class($term, $scheme, $label);
2347 }
2348 foreach ((array) $this->get_channel_tags('', 'category') as $category)
2349 {
2350 $categories[] =& new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
2351 }
2352 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
2353 {
2354 $categories[] =& new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
2355 }
2356 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
2357 {
2358 $categories[] =& new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
2359 }
2360
2361 if (!empty($categories))
2362 {
2363 return SimplePie_Misc::array_unique($categories);
2364 }
2365 else
2366 {
2367 return null;
2368 }
2369 }
2370
2371 function get_author($key = 0)
2372 {
2373 $authors = $this->get_authors();
2374 if (isset($authors[$key]))
2375 {
2376 return $authors[$key];
2377 }
2378 else
2379 {
2380 return null;
2381 }
2382 }
2383
2384 function get_authors()
2385 {
2386 $authors = array();
2387 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
2388 {
2389 $name = null;
2390 $uri = null;
2391 $email = null;
2392 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
2393 {
2394 $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2395 }
2396 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
2397 {
2398 $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
2399 }
2400 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
2401 {
2402 $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2403 }
2404 if ($name !== null || $email !== null || $uri !== null)
2405 {
2406 $authors[] =& new $this->author_class($name, $uri, $email);
2407 }
2408 }
2409 if ($author = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
2410 {
2411 $name = null;
2412 $url = null;
2413 $email = null;
2414 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
2415 {
2416 $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2417 }
2418 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
2419 {
2420 $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
2421 }
2422 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
2423 {
2424 $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2425 }
2426 if ($name !== null || $email !== null || $url !== null)
2427 {
2428 $authors[] =& new $this->author_class($name, $url, $email);
2429 }
2430 }
2431 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
2432 {
2433 $authors[] =& new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
2434 }
2435 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
2436 {
2437 $authors[] =& new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
2438 }
2439 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
2440 {
2441 $authors[] =& new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
2442 }
2443
2444 if (!empty($authors))
2445 {
2446 return SimplePie_Misc::array_unique($authors);
2447 }
2448 else
2449 {
2450 return null;
2451 }
2452 }
2453
2454 function get_contributor($key = 0)
2455 {
2456 $contributors = $this->get_contributors();
2457 if (isset($contributors[$key]))
2458 {
2459 return $contributors[$key];
2460 }
2461 else
2462 {
2463 return null;
2464 }
2465 }
2466
2467 function get_contributors()
2468 {
2469 $contributors = array();
2470 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
2471 {
2472 $name = null;
2473 $uri = null;
2474 $email = null;
2475 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
2476 {
2477 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2478 }
2479 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
2480 {
2481 $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
2482 }
2483 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
2484 {
2485 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2486 }
2487 if ($name !== null || $email !== null || $uri !== null)
2488 {
2489 $contributors[] =& new $this->author_class($name, $uri, $email);
2490 }
2491 }
2492 foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
2493 {
2494 $name = null;
2495 $url = null;
2496 $email = null;
2497 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
2498 {
2499 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2500 }
2501 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
2502 {
2503 $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
2504 }
2505 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
2506 {
2507 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2508 }
2509 if ($name !== null || $email !== null || $url !== null)
2510 {
2511 $contributors[] =& new $this->author_class($name, $url, $email);
2512 }
2513 }
2514
2515 if (!empty($contributors))
2516 {
2517 return SimplePie_Misc::array_unique($contributors);
2518 }
2519 else
2520 {
2521 return null;
2522 }
2523 }
2524
2525 function get_link($key = 0, $rel = 'alternate')
2526 {
2527 $links = $this->get_links($rel);
2528 if (isset($links[$key]))
2529 {
2530 return $links[$key];
2531 }
2532 else
2533 {
2534 return null;
2535 }
2536 }
2537
2538 /**
2539 * Added for parity between the parent-level and the item/entry-level.
2540 */
2541 function get_permalink()
2542 {
2543 return $this->get_link(0);
2544 }
2545
2546 function get_links($rel = 'alternate')
2547 {
2548 if (!isset($this->data['links']))
2549 {
2550 $this->data['links'] = array();
2551 if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
2552 {
2553 foreach ($links as $link)
2554 {
2555 if (isset($link['attribs']['']['href']))
2556 {
2557 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
2558 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
2559 }
2560 }
2561 }
2562 if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
2563 {
2564 foreach ($links as $link)
2565 {
2566 if (isset($link['attribs']['']['href']))
2567 {
2568 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
2569 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
2570
2571 }
2572 }
2573 }
2574 if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
2575 {
2576 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
2577 }
2578 if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
2579 {
2580 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
2581 }
2582 if ($links = $this->get_channel_tags('', 'link'))
2583 {
2584 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
2585 }
2586
2587 $keys = array_keys($this->data['links']);
2588 foreach ($keys as $key)
2589 {
2590 if (SimplePie_Misc::is_isegment_nz_nc($key))
2591 {
2592 if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
2593 {
2594 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
2595 $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
2596 }
2597 else
2598 {
2599 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
2600 }
2601 }
2602 elseif (substr($key, 0, 41) == SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
2603 {
2604 $this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
2605 }
2606 $this->data['links'][$key] = array_unique($this->data['links'][$key]);
2607 }
2608 }
2609
2610 if (isset($this->data['links'][$rel]))
2611 {
2612 return $this->data['links'][$rel];
2613 }
2614 else
2615 {
2616 return null;
2617 }
2618 }
2619
2620 function get_description()
2621 {
2622 if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
2623 {
2624 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
2625 }
2626 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
2627 {
2628 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
2629 }
2630 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
2631 {
2632 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
2633 }
2634 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
2635 {
2636 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
2637 }
2638 elseif ($return = $this->get_channel_tags('', 'description'))
2639 {
2640 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
2641 }
2642 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
2643 {
2644 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2645 }
2646 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
2647 {
2648 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2649 }
2650 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
2651 {
2652 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
2653 }
2654 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
2655 {
2656 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
2657 }
2658 else
2659 {
2660 return null;
2661 }
2662 }
2663
2664 function get_copyright()
2665 {
2666 if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
2667 {
2668 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
2669 }
2670 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
2671 {
2672 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
2673 }
2674 elseif ($return = $this->get_channel_tags('', 'copyright'))
2675 {
2676 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2677 }
2678 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
2679 {
2680 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2681 }
2682 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
2683 {
2684 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2685 }
2686 else
2687 {
2688 return null;
2689 }
2690 }
2691
2692 function get_language()
2693 {
2694 if ($return = $this->get_channel_tags('', 'language'))
2695 {
2696 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2697 }
2698 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
2699 {
2700 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2701 }
2702 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
2703 {
2704 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2705 }
2706 elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang']))
2707 {
2708 return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
2709 }
2710 elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang']))
2711 {
2712 return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
2713 }
2714 elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang']))
2715 {
2716 return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
2717 }
2718 elseif (isset($this->data['headers']['content-language']))
2719 {
2720 return $this->sanitize($this->data['headers']['content-language'], SIMPLEPIE_CONSTRUCT_TEXT);
2721 }
2722 else
2723 {
2724 return null;
2725 }
2726 }
2727
2728 function get_latitude()
2729 {
2730 if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
2731 {
2732 return (float) $return[0]['data'];
2733 }
2734 elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', $return[0]['data'], $match))
2735 {
2736 return (float) $match[1];
2737 }
2738 else
2739 {
2740 return null;
2741 }
2742 }
2743
2744 function get_longitude()
2745 {
2746 if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
2747 {
2748 return (float) $return[0]['data'];
2749 }
2750 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
2751 {
2752 return (float) $return[0]['data'];
2753 }
2754 elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', $return[0]['data'], $match))
2755 {
2756 return (float) $match[2];
2757 }
2758 else
2759 {
2760 return null;
2761 }
2762 }
2763
2764 function get_image_title()
2765 {
2766 if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
2767 {
2768 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2769 }
2770 elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
2771 {
2772 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2773 }
2774 elseif ($return = $this->get_image_tags('', 'title'))
2775 {
2776 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2777 }
2778 elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
2779 {
2780 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2781 }
2782 elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
2783 {
2784 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
2785 }
2786 else
2787 {
2788 return null;
2789 }
2790 }
2791
2792 function get_image_url()
2793 {
2794 if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
2795 {
2796 return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
2797 }
2798 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
2799 {
2800 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
2801 }
2802 elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
2803 {
2804 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
2805 }
2806 elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'url'))
2807 {
2808 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
2809 }
2810 elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'url'))
2811 {
2812 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
2813 }
2814 elseif ($return = $this->get_image_tags('', 'url'))
2815 {
2816 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
2817 }
2818 else
2819 {
2820 return null;
2821 }
2822 }
2823
2824 function get_image_link()
2825 {
2826 if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
2827 {
2828 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
2829 }
2830 elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
2831 {
2832 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
2833 }
2834 elseif ($return = $this->get_image_tags('', 'link'))
2835 {
2836 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
2837 }
2838 else
2839 {
2840 return null;
2841 }
2842 }
2843
2844 function get_image_width()
2845 {
2846 if ($return = $this->get_image_tags('', 'width'))
2847 {
2848 return round($return[0]['data']);
2849 }
2850 elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags('', 'url'))
2851 {
2852 return 88.0;
2853 }
2854 else
2855 {
2856 return null;
2857 }
2858 }
2859
2860 function get_image_height()
2861 {
2862 if ($return = $this->get_image_tags('', 'height'))
2863 {
2864 return round($return[0]['data']);
2865 }
2866 elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags('', 'url'))
2867 {
2868 return 31.0;
2869 }
2870 else
2871 {
2872 return null;
2873 }
2874 }
2875
2876 function get_item_quantity($max = 0)
2877 {
2878 $qty = count($this->get_items());
2879 if ($max == 0)
2880 {
2881 return $qty;
2882 }
2883 else
2884 {
2885 return ($qty > $max) ? $max : $qty;
2886 }
2887 }
2888
2889 function get_item($key = 0)
2890 {
2891 $items = $this->get_items();
2892 if (isset($items[$key]))
2893 {
2894 return $items[$key];
2895 }
2896 else
2897 {
2898 return null;
2899 }
2900 }
2901
2902 function get_items($start = 0, $end = 0)
2903 {
2904 if (!empty($this->multifeed_objects))
2905 {
2906 return SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit);
2907 }
2908 elseif (!isset($this->data['items']))
2909 {
2910 if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry'))
2911 {
2912 $keys = array_keys($items);
2913 foreach ($keys as $key)
2914 {
2915 $this->data['items'][] =& new $this->item_class($this, $items[$key]);
2916 }
2917 }
2918 if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry'))
2919 {
2920 $keys = array_keys($items);
2921 foreach ($keys as $key)
2922 {
2923 $this->data['items'][] =& new $this->item_class($this, $items[$key]);
2924 }
2925 }
2926 if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item'))
2927 {
2928 $keys = array_keys($items);
2929 foreach ($keys as $key)
2930 {
2931 $this->data['items'][] =& new $this->item_class($this, $items[$key]);
2932 }
2933 }
2934 if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item'))
2935 {
2936 $keys = array_keys($items);
2937 foreach ($keys as $key)
2938 {
2939 $this->data['items'][] =& new $this->item_class($this, $items[$key]);
2940 }
2941 }
2942 if ($items = $this->get_channel_tags('', 'item'))
2943 {
2944 $keys = array_keys($items);
2945 foreach ($keys as $key)
2946 {
2947 $this->data['items'][] =& new $this->item_class($this, $items[$key]);
2948 }
2949 }
2950 }
2951
2952 if (!empty($this->data['items']))
2953 {
2954 // If we want to order it by date, check if all items have a date, and then sort it
2955 if ($this->order_by_date)
2956 {
2957 if (!isset($this->data['ordered_items']))
2958 {
2959 $do_sort = true;
2960 foreach ($this->data['items'] as $item)
2961 {
2962 if (!$item->get_date('U'))
2963 {
2964 $do_sort = false;
2965 break;
2966 }
2967 }
2968 $item = null;
2969 $this->data['ordered_items'] = $this->data['items'];
2970 if ($do_sort)
2971 {
2972 usort($this->data['ordered_items'], array(&$this, 'sort_items'));
2973 }
2974 }
2975 $items = $this->data['ordered_items'];
2976 }
2977 else
2978 {
2979 $items = $this->data['items'];
2980 }
2981
2982 // Slice the data as desired
2983 if ($end == 0)
2984 {
2985 return array_slice($items, $start);
2986 }
2987 else
2988 {
2989 return array_slice($items, $start, $end);
2990 }
2991 }
2992 else
2993 {
2994 return array();
2995 }
2996 }
2997
2998 function sort_items($a, $b)
2999 {
3000 return $a->get_date('U') <= $b->get_date('U');
3001 }
3002
3003 function merge_items($urls, $start = 0, $end = 0, $limit = 0)
3004 {
3005 if (is_array($urls) && sizeof($urls) > 0)
3006 {
3007 $items = array();
3008 foreach ($urls as $arg)
3009 {
3010 if (is_a($arg, 'SimplePie'))
3011 {
3012 $items = array_merge($items, $arg->get_items(0, $limit));
3013 }
3014 else
3015 {
3016 trigger_error('Arguments must be SimplePie objects', E_USER_WARNING);
3017 }
3018 }
3019
3020 $do_sort = true;
3021 foreach ($items as $item)
3022 {
3023 if (!$item->get_date('U'))
3024 {
3025 $do_sort = false;
3026 break;
3027 }
3028 }
3029 $item = null;
3030 if ($do_sort)
3031 {
3032 usort($items, array('SimplePie', 'sort_items'));
3033 }
3034
3035 if ($end == 0)
3036 {
3037 return array_slice($items, $start);
3038 }
3039 else
3040 {
3041 return array_slice($items, $start, $end);
3042 }
3043 }
3044 else
3045 {
3046 trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING);
3047 return array();
3048 }
3049 }
3050 }
3051
3052 class SimplePie_Item
3053 {
3054 var $feed;
3055 var $data = array();
3056
3057 function SimplePie_Item($feed, $data)
3058 {
3059 $this->feed = $feed;
3060 $this->data = $data;
3061 }
3062
3063 function __toString()
3064 {
3065 return md5(serialize($this->data));
3066 }
3067
3068 /**
3069 * Remove items that link back to this before destroying this object
3070 */
3071 function __destruct()
3072 {
3073 unset($this->feed);
3074 }
3075
3076 function get_item_tags($namespace, $tag)
3077 {
3078 if (isset($this->data['child'][$namespace][$tag]))
3079 {
3080 return $this->data['child'][$namespace][$tag];
3081 }
3082 else
3083 {
3084 return null;
3085 }
3086 }
3087
3088 function get_base($element = array())
3089 {
3090 return $this->feed->get_base($element);
3091 }
3092
3093 function sanitize($data, $type, $base = '')
3094 {
3095 return $this->feed->sanitize($data, $type, $base);
3096 }
3097
3098 function get_feed()
3099 {
3100 return $this->feed;
3101 }
3102
3103 function get_id($hash = false)
3104 {
3105 if (!$hash)
3106 {
3107 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'id'))
3108 {
3109 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3110 }
3111 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'id'))
3112 {
3113 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3114 }
3115 elseif ($return = $this->get_item_tags('', 'guid'))
3116 {
3117 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3118 }
3119 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'identifier'))
3120 {
3121 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3122 }
3123 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'identifier'))
3124 {
3125 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3126 }
3127 elseif (($return = $this->get_permalink()) !== null)
3128 {
3129 return $return;
3130 }
3131 elseif (($return = $this->get_title()) !== null)
3132 {
3133 return $return;
3134 }
3135 }
3136 if ($this->get_permalink() !== null || $this->get_title() !== null)
3137 {
3138 return md5($this->get_permalink() . $this->get_title());
3139 }
3140 else
3141 {
3142 return md5(serialize($this->data));
3143 }
3144 }
3145
3146 function get_title()
3147 {
3148 if (!isset($this->data['title']))
3149 {
3150 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
3151 {
3152 $this->data['title'] = $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
3153 }
3154 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
3155 {
3156 $this->data['title'] = $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
3157 }
3158 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
3159 {
3160 $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
3161 }
3162 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
3163 {
3164 $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
3165 }
3166 elseif ($return = $this->get_item_tags('', 'title'))
3167 {
3168 $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
3169 }
3170 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
3171 {
3172 $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3173 }
3174 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
3175 {
3176 $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3177 }
3178 else
3179 {
3180 $this->data['title'] = null;
3181 }
3182 }
3183 return $this->data['title'];
3184 }
3185
3186 function get_description($description_only = false)
3187 {
3188 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary'))
3189 {
3190 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
3191 }
3192 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary'))
3193 {
3194 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
3195 }
3196 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
3197 {
3198 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
3199 }
3200 elseif ($return = $this->get_item_tags('', 'description'))
3201 {
3202 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
3203 }
3204 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
3205 {
3206 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3207 }
3208 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
3209 {
3210 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3211 }
3212 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
3213 {
3214 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
3215 }
3216 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
3217 {
3218 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3219 }
3220 elseif (!$description_only)
3221 {
3222 return $this->get_content(true);
3223 }
3224 else
3225 {
3226 return null;
3227 }
3228 }
3229
3230 function get_content($content_only = false)
3231 {
3232 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content'))
3233 {
3234 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_content_construct_type($return[0]['attribs']), $this->get_base($return[0]));
3235 }
3236 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content'))
3237 {
3238 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
3239 }
3240 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded'))
3241 {
3242 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
3243 }
3244 elseif (!$content_only)
3245 {
3246 return $this->get_description(true);
3247 }
3248 else
3249 {
3250 return null;
3251 }
3252 }
3253
3254 function get_category($key = 0)
3255 {
3256 $categories = $this->get_categories();
3257 if (isset($categories[$key]))
3258 {
3259 return $categories[$key];
3260 }
3261 else
3262 {
3263 return null;
3264 }
3265 }
3266
3267 function get_categories()
3268 {
3269 $categories = array();
3270
3271 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
3272 {
3273 $term = null;
3274 $scheme = null;
3275 $label = null;
3276 if (isset($category['attribs']['']['term']))
3277 {
3278 $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
3279 }
3280 if (isset($category['attribs']['']['scheme']))
3281 {
3282 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
3283 }
3284 if (isset($category['attribs']['']['label']))
3285 {
3286 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
3287 }
3288 $categories[] =& new $this->feed->category_class($term, $scheme, $label);
3289 }
3290 foreach ((array) $this->get_item_tags('', 'category') as $category)
3291 {
3292 $categories[] =& new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
3293 }
3294 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
3295 {
3296 $categories[] =& new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
3297 }
3298 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
3299 {
3300 $categories[] =& new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
3301 }
3302
3303 if (!empty($categories))
3304 {
3305 return SimplePie_Misc::array_unique($categories);
3306 }
3307 else
3308 {
3309 return null;
3310 }
3311 }
3312
3313 function get_author($key = 0)
3314 {
3315 $authors = $this->get_authors();
3316 if (isset($authors[$key]))
3317 {
3318 return $authors[$key];
3319 }
3320 else
3321 {
3322 return null;
3323 }
3324 }
3325
3326 function get_contributor($key = 0)
3327 {
3328 $contributors = $this->get_contributors();
3329 if (isset($contributors[$key]))
3330 {
3331 return $contributors[$key];
3332 }
3333 else
3334 {
3335 return null;
3336 }
3337 }
3338
3339 function get_contributors()
3340 {
3341 $contributors = array();
3342 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
3343 {
3344 $name = null;
3345 $uri = null;
3346 $email = null;
3347 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
3348 {
3349 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3350 }
3351 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
3352 {
3353 $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
3354 }
3355 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
3356 {
3357 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3358 }
3359 if ($name !== null || $email !== null || $uri !== null)
3360 {
3361 $contributors[] =& new $this->feed->author_class($name, $uri, $email);
3362 }
3363 }
3364 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
3365 {
3366 $name = null;
3367 $url = null;
3368 $email = null;
3369 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
3370 {
3371 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3372 }
3373 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
3374 {
3375 $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
3376 }
3377 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
3378 {
3379 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3380 }
3381 if ($name !== null || $email !== null || $url !== null)
3382 {
3383 $contributors[] =& new $this->feed->author_class($name, $url, $email);
3384 }
3385 }
3386
3387 if (!empty($contributors))
3388 {
3389 return SimplePie_Misc::array_unique($contributors);
3390 }
3391 else
3392 {
3393 return null;
3394 }
3395 }
3396
3397 /**
3398 * @todo Atom inheritance (item author, source author, feed author)
3399 */
3400 function get_authors()
3401 {
3402 $authors = array();
3403 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
3404 {
3405 $name = null;
3406 $uri = null;
3407 $email = null;
3408 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
3409 {
3410 $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3411 }
3412 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
3413 {
3414 $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
3415 }
3416 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
3417 {
3418 $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3419 }
3420 if ($name !== null || $email !== null || $uri !== null)
3421 {
3422 $authors[] =& new $this->feed->author_class($name, $uri, $email);
3423 }
3424 }
3425 if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
3426 {
3427 $name = null;
3428 $url = null;
3429 $email = null;
3430 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
3431 {
3432 $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3433 }
3434 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
3435 {
3436 $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
3437 }
3438 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
3439 {
3440 $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3441 }
3442 if ($name !== null || $email !== null || $url !== null)
3443 {
3444 $authors[] =& new $this->feed->author_class($name, $url, $email);
3445 }
3446 }
3447 if ($author = $this->get_item_tags('', 'author'))
3448 {
3449 $authors[] =& new $this->feed->author_class(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
3450 }
3451 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
3452 {
3453 $authors[] =& new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
3454 }
3455 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
3456 {
3457 $authors[] =& new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
3458 }
3459 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
3460 {
3461 $authors[] =& new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
3462 }
3463
3464 if (!empty($authors))
3465 {
3466 return SimplePie_Misc::array_unique($authors);
3467 }
3468 elseif (($source = $this->get_source()) && ($authors = $source->get_authors()))
3469 {
3470 return $authors;
3471 }
3472 elseif ($authors = $this->feed->get_authors())
3473 {
3474 return $authors;
3475 }
3476 else
3477 {
3478 return null;
3479 }
3480 }
3481
3482 function get_copyright()
3483 {
3484 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
3485 {
3486 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
3487 }
3488 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
3489 {
3490 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3491 }
3492 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
3493 {
3494 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3495 }
3496 else
3497 {
3498 return null;
3499 }
3500 }
3501
3502 function get_date($date_format = 'j F Y, g:i a')
3503 {
3504 if (!isset($this->data['date']))
3505 {
3506 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'published'))
3507 {
3508 $this->data['date']['raw'] = $return[0]['data'];
3509 }
3510 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated'))
3511 {
3512 $this->data['date']['raw'] = $return[0]['data'];
3513 }
3514 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued'))
3515 {
3516 $this->data['date']['raw'] = $return[0]['data'];
3517 }
3518 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created'))
3519 {
3520 $this->data['date']['raw'] = $return[0]['data'];
3521 }
3522 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified'))
3523 {
3524 $this->data['date']['raw'] = $return[0]['data'];
3525 }
3526 elseif ($return = $this->get_item_tags('', 'pubDate'))
3527 {
3528 $this->data['date']['raw'] = $return[0]['data'];
3529 }
3530 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date'))
3531 {
3532 $this->data['date']['raw'] = $return[0]['data'];
3533 }
3534 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date'))
3535 {
3536 $this->data['date']['raw'] = $return[0]['data'];
3537 }
3538
3539 if (!empty($this->data['date']['raw']))
3540 {
3541 $parser = SimplePie_Parse_Date::get();
3542 $this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']);
3543 }
3544 else
3545 {
3546 $this->data['date'] = null;
3547 }
3548 }
3549 if ($this->data['date'])
3550 {
3551 $date_format = (string) $date_format;
3552 switch ($date_format)
3553 {
3554 case '':
3555 return $this->sanitize($this->data['date']['raw'], SIMPLEPIE_CONSTRUCT_TEXT);
3556
3557 case 'U':
3558 return $this->data['date']['parsed'];
3559
3560 default:
3561 return date($date_format, $this->data['date']['parsed']);
3562 }
3563 }
3564 else
3565 {
3566 return null;
3567 }
3568 }
3569
3570 function get_local_date($date_format = '%c')
3571 {
3572 if (!$date_format)
3573 {
3574 return $this->sanitize($this->get_date(''), SIMPLEPIE_CONSTRUCT_TEXT);
3575 }
3576 elseif (($date = $this->get_date('U')) !== null)
3577 {
3578 return strftime($date_format, $date);
3579 }
3580 else
3581 {
3582 return null;
3583 }
3584 }
3585
3586 function get_permalink()
3587 {
3588 $link = $this->get_link();
3589 $enclosure = $this->get_enclosure(0);
3590 if ($link !== null)
3591 {
3592 return $link;
3593 }
3594 elseif ($enclosure !== null)
3595 {
3596 return $enclosure->get_link();
3597 }
3598 else
3599 {
3600 return null;
3601 }
3602 }
3603
3604 function get_link($key = 0, $rel = 'alternate')
3605 {
3606 $links = $this->get_links($rel);
3607 if ($links[$key] !== null)
3608 {
3609 return $links[$key];
3610 }
3611 else
3612 {
3613 return null;
3614 }
3615 }
3616
3617 function get_links($rel = 'alternate')
3618 {
3619 if (!isset($this->data['links']))
3620 {
3621 $this->data['links'] = array();
3622 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
3623 {
3624 if (isset($link['attribs']['']['href']))
3625 {
3626 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
3627 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
3628
3629 }
3630 }
3631 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
3632 {
3633 if (isset($link['attribs']['']['href']))
3634 {
3635 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
3636 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
3637 }
3638 }
3639 if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
3640 {
3641 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
3642 }
3643 if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
3644 {
3645 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
3646 }
3647 if ($links = $this->get_item_tags('', 'link'))
3648 {
3649 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
3650 }
3651 if ($links = $this->get_item_tags('', 'guid'))
3652 {
3653 if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) == 'true')
3654 {
3655 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
3656 }
3657 }
3658
3659 $keys = array_keys($this->data['links']);
3660 foreach ($keys as $key)
3661 {
3662 if (SimplePie_Misc::is_isegment_nz_nc($key))
3663 {
3664 if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
3665 {
3666 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
3667 $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
3668 }
3669 else
3670 {
3671 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
3672 }
3673 }
3674 elseif (substr($key, 0, 41) == SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
3675 {
3676 $this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
3677 }
3678 $this->data['links'][$key] = array_unique($this->data['links'][$key]);
3679 }
3680 }
3681 if (isset($this->data['links'][$rel]))
3682 {
3683 return $this->data['links'][$rel];
3684 }
3685 else
3686 {
3687 return null;
3688 }
3689 }
3690
3691 /**
3692 * @todo Add ability to prefer one type of content over another (in a media group).
3693 */
3694 function get_enclosure($key = 0, $prefer = null)
3695 {
3696 $enclosures = $this->get_enclosures();
3697 if (isset($enclosures[$key]))
3698 {
3699 return $enclosures[$key];
3700 }
3701 else
3702 {
3703 return null;
3704 }
3705 }
3706
3707 /**
3708 * Grabs all available enclosures (podcasts, etc.)
3709 *
3710 * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS.
3711 *
3712 * At this point, we're pretty much assuming that all enclosures for an item are the same content. Anything else is too complicated to properly support.
3713 *
3714 * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4).
3715 * @todo If an element exists at a level, but it's value is empty, we should fall back to the value from the parent (if it exists).
3716 */
3717 function get_enclosures()
3718 {
3719 if (!isset($this->data['enclosures']))
3720 {
3721 $this->data['enclosures'] = array();
3722
3723 // Elements
3724 $captions_parent = null;
3725 $categories_parent = null;
3726 $copyrights_parent = null;
3727 $credits_parent = null;
3728 $description_parent = null;
3729 $duration_parent = null;
3730 $hashes_parent = null;
3731 $keywords_parent = null;
3732 $player_parent = null;
3733 $ratings_parent = null;
3734 $restrictions_parent = null;
3735 $thumbnails_parent = null;
3736 $title_parent = null;
3737
3738 // Let's do the channel and item-level ones first, and just re-use them if we need to.
3739 $parent = $this->get_feed();
3740
3741 // CAPTIONS
3742 if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
3743 {
3744 foreach ($captions as $caption)
3745 {
3746 $caption_type = null;
3747 $caption_lang = null;
3748 $caption_startTime = null;
3749 $caption_endTime = null;
3750 $caption_text = null;
3751 if (isset($caption['attribs']['']['type']))
3752 {
3753 $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
3754 }
3755 if (isset($caption['attribs']['']['lang']))
3756 {
3757 $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
3758 }
3759 if (isset($caption['attribs']['']['start']))
3760 {
3761 $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
3762 }
3763 if (isset($caption['attribs']['']['end']))
3764 {
3765 $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
3766 }
3767 if (isset($caption['data']))
3768 {
3769 $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3770 }
3771 $captions_parent[] =& new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
3772 }
3773 }
3774 elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text'))
3775 {
3776 foreach ($captions as $caption)
3777 {
3778 $caption_type = null;
3779 $caption_lang = null;
3780 $caption_startTime = null;
3781 $caption_endTime = null;
3782 $caption_text = null;
3783 if (isset($caption['attribs']['']['type']))
3784 {
3785 $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
3786 }
3787 if (isset($caption['attribs']['']['lang']))
3788 {
3789 $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
3790 }
3791 if (isset($caption['attribs']['']['start']))
3792 {
3793 $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
3794 }
3795 if (isset($caption['attribs']['']['end']))
3796 {
3797 $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
3798 }
3799 if (isset($caption['data']))
3800 {
3801 $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3802 }
3803 $captions_parent[] =& new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
3804 }
3805 }
3806 if (is_array($captions_parent))
3807 {
3808 $captions_parent = array_values(SimplePie_Misc::array_unique($captions_parent));
3809 }
3810
3811 // CATEGORIES
3812 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
3813 {
3814 $term = null;
3815 $scheme = null;
3816 $label = null;
3817 if (isset($category['data']))
3818 {
3819 $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3820 }
3821 if (isset($category['attribs']['']['scheme']))
3822 {
3823 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
3824 }
3825 else
3826 {
3827 $scheme = 'http://search.yahoo.com/mrss/category_schema';
3828 }
3829 if (isset($category['attribs']['']['label']))
3830 {
3831 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
3832 }
3833 $categories_parent[] =& new $this->feed->category_class($term, $scheme, $label);
3834 }
3835 foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category)
3836 {
3837 $term = null;
3838 $scheme = null;
3839 $label = null;
3840 if (isset($category['data']))
3841 {
3842 $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3843 }
3844 if (isset($category['attribs']['']['scheme']))
3845 {
3846 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
3847 }
3848 else
3849 {
3850 $scheme = 'http://search.yahoo.com/mrss/category_schema';
3851 }
3852 if (isset($category['attribs']['']['label']))
3853 {
3854 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
3855 }
3856 $categories_parent[] =& new $this->feed->category_class($term, $scheme, $label);
3857 }
3858 foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'category') as $category)
3859 {
3860 $term = null;
3861 $scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd';
3862 $label = null;
3863 if (isset($category['attribs']['']['text']))
3864 {
3865 $label = $this->sanitize($category['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
3866 }
3867 $categories_parent[] =& new $this->feed->category_class($term, $scheme, $label);
3868
3869 if (isset($category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category']))
3870 {
3871 foreach ((array) $category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'] as $subcategory)
3872 {
3873 if (isset($subcategory['attribs']['']['text']))
3874 {
3875 $label = $this->sanitize($subcategory['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT);
3876 }
3877 $categories_parent[] =& new $this->feed->category_class($term, $scheme, $label);
3878 }
3879 }
3880 }
3881 if (is_array($categories_parent))
3882 {
3883 $categories_parent = array_values(SimplePie_Misc::array_unique($categories_parent));
3884 }
3885
3886 // COPYRIGHT
3887 if ($copyright = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
3888 {
3889 $copyright_url = null;
3890 $copyright_label = null;
3891 if (isset($copyright[0]['attribs']['']['url']))
3892 {
3893 $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
3894 }
3895 if (isset($copyright[0]['data']))
3896 {
3897 $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3898 }
3899 $copyrights_parent =& new $this->feed->copyright_class($copyright_url, $copyright_label);
3900 }
3901 elseif ($copyright = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright'))
3902 {
3903 $copyright_url = null;
3904 $copyright_label = null;
3905 if (isset($copyright[0]['attribs']['']['url']))
3906 {
3907 $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
3908 }
3909 if (isset($copyright[0]['data']))
3910 {
3911 $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3912 }
3913 $copyrights_parent =& new $this->feed->copyright_class($copyright_url, $copyright_label);
3914 }
3915
3916 // CREDITS
3917 if ($credits = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
3918 {
3919 foreach ($credits as $credit)
3920 {
3921 $credit_role = null;
3922 $credit_scheme = null;
3923 $credit_name = null;
3924 if (isset($credit['attribs']['']['role']))
3925 {
3926 $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
3927 }
3928 if (isset($credit['attribs']['']['scheme']))
3929 {
3930 $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
3931 }
3932 else
3933 {
3934 $credit_scheme = 'urn:ebu';
3935 }
3936 if (isset($credit['data']))
3937 {
3938 $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3939 }
3940 $credits_parent[] =& new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
3941 }
3942 }
3943 elseif ($credits = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit'))
3944 {
3945 foreach ($credits as $credit)
3946 {
3947 $credit_role = null;
3948 $credit_scheme = null;
3949 $credit_name = null;
3950 if (isset($credit['attribs']['']['role']))
3951 {
3952 $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
3953 }
3954 if (isset($credit['attribs']['']['scheme']))
3955 {
3956 $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
3957 }
3958 else
3959 {
3960 $credit_scheme = 'urn:ebu';
3961 }
3962 if (isset($credit['data']))
3963 {
3964 $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3965 }
3966 $credits_parent[] =& new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
3967 }
3968 }
3969 if (is_array($credits_parent))
3970 {
3971 $credits_parent = array_values(SimplePie_Misc::array_unique($credits_parent));
3972 }
3973
3974 // DESCRIPTION
3975 if ($description_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
3976 {
3977 if (isset($description_parent[0]['data']))
3978 {
3979 $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3980 }
3981 }
3982 elseif ($description_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description'))
3983 {
3984 if (isset($description_parent[0]['data']))
3985 {
3986 $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
3987 }
3988 }
3989
3990 // DURATION
3991 if ($duration_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'duration'))
3992 {
3993 $seconds = null;
3994 $minutes = null;
3995 $hours = null;
3996 if (isset($duration_parent[0]['data']))
3997 {
3998 $temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
3999 if (sizeof($temp) > 0)
4000 {
4001 (int) $seconds = array_pop($temp);
4002 }
4003 if (sizeof($temp) > 0)
4004 {
4005 (int) $minutes = array_pop($temp);
4006 $seconds += $minutes * 60;
4007 }
4008 if (sizeof($temp) > 0)
4009 {
4010 (int) $hours = array_pop($temp);
4011 $seconds += $hours * 3600;
4012 }
4013 unset($temp);
4014 $duration_parent = $seconds;
4015 }
4016 }
4017
4018 // HASHES
4019 if ($hashes_iterator = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
4020 {
4021 foreach ($hashes_iterator as $hash)
4022 {
4023 $value = null;
4024 $algo = null;
4025 if (isset($hash['data']))
4026 {
4027 $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4028 }
4029 if (isset($hash['attribs']['']['algo']))
4030 {
4031 $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
4032 }
4033 else
4034 {
4035 $algo = 'md5';
4036 }
4037 $hashes_parent[] = $algo.':'.$value;
4038 }
4039 }
4040 elseif ($hashes_iterator = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash'))
4041 {
4042 foreach ($hashes_iterator as $hash)
4043 {
4044 $value = null;
4045 $algo = null;
4046 if (isset($hash['data']))
4047 {
4048 $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4049 }
4050 if (isset($hash['attribs']['']['algo']))
4051 {
4052 $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
4053 }
4054 else
4055 {
4056 $algo = 'md5';
4057 }
4058 $hashes_parent[] = $algo.':'.$value;
4059 }
4060 }
4061 if (is_array($hashes_parent))
4062 {
4063 $hashes_parent = array_values(SimplePie_Misc::array_unique($hashes_parent));
4064 }
4065
4066 // KEYWORDS
4067 if ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
4068 {
4069 if (isset($keywords[0]['data']))
4070 {
4071 $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
4072 foreach ($temp as $word)
4073 {
4074 $keywords_parent[] = trim($word);
4075 }
4076 }
4077 unset($temp);
4078 }
4079 elseif ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
4080 {
4081 if (isset($keywords[0]['data']))
4082 {
4083 $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
4084 foreach ($temp as $word)
4085 {
4086 $keywords_parent[] = trim($word);
4087 }
4088 }
4089 unset($temp);
4090 }
4091 elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords'))
4092 {
4093 if (isset($keywords[0]['data']))
4094 {
4095 $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
4096 foreach ($temp as $word)
4097 {
4098 $keywords_parent[] = trim($word);
4099 }
4100 }
4101 unset($temp);
4102 }
4103 elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords'))
4104 {
4105 if (isset($keywords[0]['data']))
4106 {
4107 $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
4108 foreach ($temp as $word)
4109 {
4110 $keywords_parent[] = trim($word);
4111 }
4112 }
4113 unset($temp);
4114 }
4115 if (is_array($keywords_parent))
4116 {
4117 $keywords_parent = array_values(SimplePie_Misc::array_unique($keywords_parent));
4118 }
4119
4120 // PLAYER
4121 if ($player_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
4122 {
4123 if (isset($player_parent[0]['attribs']['']['url']))
4124 {
4125 $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4126 }
4127 }
4128 elseif ($player_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player'))
4129 {
4130 if (isset($player_parent[0]['attribs']['']['url']))
4131 {
4132 $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4133 }
4134 }
4135
4136 // RATINGS
4137 if ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
4138 {
4139 foreach ($ratings as $rating)
4140 {
4141 $rating_scheme = null;
4142 $rating_value = null;
4143 if (isset($rating['attribs']['']['scheme']))
4144 {
4145 $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
4146 }
4147 else
4148 {
4149 $rating_scheme = 'urn:simple';
4150 }
4151 if (isset($rating['data']))
4152 {
4153 $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4154 }
4155 $ratings_parent[] =& new $this->feed->rating_class($rating_scheme, $rating_value);
4156 }
4157 }
4158 elseif ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
4159 {
4160 foreach ($ratings as $rating)
4161 {
4162 $rating_scheme = 'urn:itunes';
4163 $rating_value = null;
4164 if (isset($rating['data']))
4165 {
4166 $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4167 }
4168 $ratings_parent[] =& new $this->feed->rating_class($rating_scheme, $rating_value);
4169 }
4170 }
4171 elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating'))
4172 {
4173 foreach ($ratings as $rating)
4174 {
4175 $rating_scheme = null;
4176 $rating_value = null;
4177 if (isset($rating['attribs']['']['scheme']))
4178 {
4179 $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
4180 }
4181 else
4182 {
4183 $rating_scheme = 'urn:simple';
4184 }
4185 if (isset($rating['data']))
4186 {
4187 $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4188 }
4189 $ratings_parent[] =& new $this->feed->rating_class($rating_scheme, $rating_value);
4190 }
4191 }
4192 elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit'))
4193 {
4194 foreach ($ratings as $rating)
4195 {
4196 $rating_scheme = 'urn:itunes';
4197 $rating_value = null;
4198 if (isset($rating['data']))
4199 {
4200 $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4201 }
4202 $ratings_parent[] =& new $this->feed->rating_class($rating_scheme, $rating_value);
4203 }
4204 }
4205 if (is_array($ratings_parent))
4206 {
4207 $ratings_parent = array_values(SimplePie_Misc::array_unique($ratings_parent));
4208 }
4209
4210 // RESTRICTIONS
4211 if ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
4212 {
4213 foreach ($restrictions as $restriction)
4214 {
4215 $restriction_relationship = null;
4216 $restriction_type = null;
4217 $restriction_value = null;
4218 if (isset($restriction['attribs']['']['relationship']))
4219 {
4220 $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
4221 }
4222 if (isset($restriction['attribs']['']['type']))
4223 {
4224 $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
4225 }
4226 if (isset($restriction['data']))
4227 {
4228 $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4229 }
4230 $restrictions_parent[] =& new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
4231 }
4232 }
4233 elseif ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
4234 {
4235 foreach ($restrictions as $restriction)
4236 {
4237 $restriction_relationship = 'allow';
4238 $restriction_type = null;
4239 $restriction_value = 'itunes';
4240 if (isset($restriction['data']) && strtolower($restriction['data']) == 'yes')
4241 {
4242 $restriction_relationship = 'deny';
4243 }
4244 $restrictions_parent[] =& new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
4245 }
4246 }
4247 elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction'))
4248 {
4249 foreach ($restrictions as $restriction)
4250 {
4251 $restriction_relationship = null;
4252 $restriction_type = null;
4253 $restriction_value = null;
4254 if (isset($restriction['attribs']['']['relationship']))
4255 {
4256 $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
4257 }
4258 if (isset($restriction['attribs']['']['type']))
4259 {
4260 $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
4261 }
4262 if (isset($restriction['data']))
4263 {
4264 $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4265 }
4266 $restrictions_parent[] =& new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
4267 }
4268 }
4269 elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block'))
4270 {
4271 foreach ($restrictions as $restriction)
4272 {
4273 $restriction_relationship = 'allow';
4274 $restriction_type = null;
4275 $restriction_value = 'itunes';
4276 if (isset($restriction['data']) && strtolower($restriction['data']) == 'yes')
4277 {
4278 $restriction_relationship = 'deny';
4279 }
4280 $restrictions_parent[] =& new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
4281 }
4282 }
4283 if (is_array($restrictions_parent))
4284 {
4285 $restrictions_parent = array_values(SimplePie_Misc::array_unique($restrictions_parent));
4286 }
4287
4288 // THUMBNAILS
4289 if ($thumbnails = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
4290 {
4291 foreach ($thumbnails as $thumbnail)
4292 {
4293 if (isset($thumbnail['attribs']['']['url']))
4294 {
4295 $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4296 }
4297 }
4298 }
4299 elseif ($thumbnails = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail'))
4300 {
4301 foreach ($thumbnails as $thumbnail)
4302 {
4303 if (isset($thumbnail['attribs']['']['url']))
4304 {
4305 $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4306 }
4307 }
4308 }
4309
4310 // TITLES
4311 if ($title_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
4312 {
4313 if (isset($title_parent[0]['data']))
4314 {
4315 $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4316 }
4317 }
4318 elseif ($title_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title'))
4319 {
4320 if (isset($title_parent[0]['data']))
4321 {
4322 $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4323 }
4324 }
4325
4326 // Clear the memory
4327 unset($parent);
4328
4329 // If we have media:group tags, loop through them.
4330 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group') as $group)
4331 {
4332 // If we have media:content tags, loop through them.
4333 foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
4334 {
4335 if (isset($content['attribs']['']['url']))
4336 {
4337 // Attributes
4338 $bitrate = null;
4339 $channels = null;
4340 $duration = null;
4341 $expression = null;
4342 $framerate = null;
4343 $height = null;
4344 $javascript = null;
4345 $lang = null;
4346 $length = null;
4347 $medium = null;
4348 $samplingrate = null;
4349 $type = null;
4350 $url = null;
4351 $width = null;
4352
4353 // Elements
4354 $captions = null;
4355 $categories = null;
4356 $copyrights = null;
4357 $credits = null;
4358 $description = null;
4359 $hashes = null;
4360 $keywords = null;
4361 $player = null;
4362 $ratings = null;
4363 $restrictions = null;
4364 $thumbnails = null;
4365 $title = null;
4366
4367 // Start checking the attributes of media:content
4368 if (isset($content['attribs']['']['bitrate']))
4369 {
4370 $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
4371 }
4372 if (isset($content['attribs']['']['channels']))
4373 {
4374 $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
4375 }
4376 if (isset($content['attribs']['']['duration']))
4377 {
4378 $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
4379 }
4380 else
4381 {
4382 $duration = $duration_parent;
4383 }
4384 if (isset($content['attribs']['']['expression']))
4385 {
4386 $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
4387 }
4388 if (isset($content['attribs']['']['framerate']))
4389 {
4390 $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
4391 }
4392 if (isset($content['attribs']['']['height']))
4393 {
4394 $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
4395 }
4396 if (isset($content['attribs']['']['lang']))
4397 {
4398 $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
4399 }
4400 if (isset($content['attribs']['']['fileSize']))
4401 {
4402 $length = ceil($content['attribs']['']['fileSize']);
4403 }
4404 if (isset($content['attribs']['']['medium']))
4405 {
4406 $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
4407 }
4408 if (isset($content['attribs']['']['samplingrate']))
4409 {
4410 $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
4411 }
4412 if (isset($content['attribs']['']['type']))
4413 {
4414 $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
4415 }
4416 if (isset($content['attribs']['']['width']))
4417 {
4418 $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
4419 }
4420 $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4421
4422 // Checking the other optional media: elements. Priority: media:content, media:group, item, channel
4423
4424 // CAPTIONS
4425 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
4426 {
4427 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
4428 {
4429 $caption_type = null;
4430 $caption_lang = null;
4431 $caption_startTime = null;
4432 $caption_endTime = null;
4433 $caption_text = null;
4434 if (isset($caption['attribs']['']['type']))
4435 {
4436 $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
4437 }
4438 if (isset($caption['attribs']['']['lang']))
4439 {
4440 $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
4441 }
4442 if (isset($caption['attribs']['']['start']))
4443 {
4444 $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
4445 }
4446 if (isset($caption['attribs']['']['end']))
4447 {
4448 $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
4449 }
4450 if (isset($caption['data']))
4451 {
4452 $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4453 }
4454 $captions[] =& new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
4455 }
4456 if (is_array($captions))
4457 {
4458 $captions = array_values(SimplePie_Misc::array_unique($captions));
4459 }
4460 }
4461 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
4462 {
4463 foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
4464 {
4465 $caption_type = null;
4466 $caption_lang = null;
4467 $caption_startTime = null;
4468 $caption_endTime = null;
4469 $caption_text = null;
4470 if (isset($caption['attribs']['']['type']))
4471 {
4472 $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
4473 }
4474 if (isset($caption['attribs']['']['lang']))
4475 {
4476 $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
4477 }
4478 if (isset($caption['attribs']['']['start']))
4479 {
4480 $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
4481 }
4482 if (isset($caption['attribs']['']['end']))
4483 {
4484 $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
4485 }
4486 if (isset($caption['data']))
4487 {
4488 $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4489 }
4490 $captions[] =& new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
4491 }
4492 if (is_array($captions))
4493 {
4494 $captions = array_values(SimplePie_Misc::array_unique($captions));
4495 }
4496 }
4497 else
4498 {
4499 $captions = $captions_parent;
4500 }
4501
4502 // CATEGORIES
4503 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
4504 {
4505 foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
4506 {
4507 $term = null;
4508 $scheme = null;
4509 $label = null;
4510 if (isset($category['data']))
4511 {
4512 $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4513 }
4514 if (isset($category['attribs']['']['scheme']))
4515 {
4516 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
4517 }
4518 else
4519 {
4520 $scheme = 'http://search.yahoo.com/mrss/category_schema';
4521 }
4522 if (isset($category['attribs']['']['label']))
4523 {
4524 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
4525 }
4526 $categories[] =& new $this->feed->category_class($term, $scheme, $label);
4527 }
4528 }
4529 if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
4530 {
4531 foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
4532 {
4533 $term = null;
4534 $scheme = null;
4535 $label = null;
4536 if (isset($category['data']))
4537 {
4538 $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4539 }
4540 if (isset($category['attribs']['']['scheme']))
4541 {
4542 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
4543 }
4544 else
4545 {
4546 $scheme = 'http://search.yahoo.com/mrss/category_schema';
4547 }
4548 if (isset($category['attribs']['']['label']))
4549 {
4550 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
4551 }
4552 $categories[] =& new $this->feed->category_class($term, $scheme, $label);
4553 }
4554 }
4555 if (is_array($categories) && is_array($categories_parent))
4556 {
4557 $categories = array_values(SimplePie_Misc::array_unique(array_merge($categories, $categories_parent)));
4558 }
4559 elseif (is_array($categories))
4560 {
4561 $categories = array_values(SimplePie_Misc::array_unique($categories));
4562 }
4563 elseif (is_array($categories_parent))
4564 {
4565 $categories = array_values(SimplePie_Misc::array_unique($categories_parent));
4566 }
4567
4568 // COPYRIGHTS
4569 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
4570 {
4571 $copyright_url = null;
4572 $copyright_label = null;
4573 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
4574 {
4575 $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
4576 }
4577 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
4578 {
4579 $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4580 }
4581 $copyrights =& new $this->feed->copyright_class($copyright_url, $copyright_label);
4582 }
4583 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
4584 {
4585 $copyright_url = null;
4586 $copyright_label = null;
4587 if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
4588 {
4589 $copyright_url = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
4590 }
4591 if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
4592 {
4593 $copyright_label = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4594 }
4595 $copyrights =& new $this->feed->copyright_class($copyright_url, $copyright_label);
4596 }
4597 else
4598 {
4599 $copyrights = $copyrights_parent;
4600 }
4601
4602 // CREDITS
4603 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
4604 {
4605 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
4606 {
4607 $credit_role = null;
4608 $credit_scheme = null;
4609 $credit_name = null;
4610 if (isset($credit['attribs']['']['role']))
4611 {
4612 $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
4613 }
4614 if (isset($credit['attribs']['']['scheme']))
4615 {
4616 $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
4617 }
4618 else
4619 {
4620 $credit_scheme = 'urn:ebu';
4621 }
4622 if (isset($credit['data']))
4623 {
4624 $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4625 }
4626 $credits[] =& new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
4627 }
4628 if (is_array($credits))
4629 {
4630 $credits = array_values(SimplePie_Misc::array_unique($credits));
4631 }
4632 }
4633 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
4634 {
4635 foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
4636 {
4637 $credit_role = null;
4638 $credit_scheme = null;
4639 $credit_name = null;
4640 if (isset($credit['attribs']['']['role']))
4641 {
4642 $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
4643 }
4644 if (isset($credit['attribs']['']['scheme']))
4645 {
4646 $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
4647 }
4648 else
4649 {
4650 $credit_scheme = 'urn:ebu';
4651 }
4652 if (isset($credit['data']))
4653 {
4654 $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4655 }
4656 $credits[] =& new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
4657 }
4658 if (is_array($credits))
4659 {
4660 $credits = array_values(SimplePie_Misc::array_unique($credits));
4661 }
4662 }
4663 else
4664 {
4665 $credits = $credits_parent;
4666 }
4667
4668 // DESCRIPTION
4669 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
4670 {
4671 $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4672 }
4673 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
4674 {
4675 $description = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4676 }
4677 else
4678 {
4679 $description = $description_parent;
4680 }
4681
4682 // HASHES
4683 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
4684 {
4685 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
4686 {
4687 $value = null;
4688 $algo = null;
4689 if (isset($hash['data']))
4690 {
4691 $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4692 }
4693 if (isset($hash['attribs']['']['algo']))
4694 {
4695 $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
4696 }
4697 else
4698 {
4699 $algo = 'md5';
4700 }
4701 $hashes[] = $algo.':'.$value;
4702 }
4703 if (is_array($hashes))
4704 {
4705 $hashes = array_values(SimplePie_Misc::array_unique($hashes));
4706 }
4707 }
4708 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
4709 {
4710 foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
4711 {
4712 $value = null;
4713 $algo = null;
4714 if (isset($hash['data']))
4715 {
4716 $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4717 }
4718 if (isset($hash['attribs']['']['algo']))
4719 {
4720 $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
4721 }
4722 else
4723 {
4724 $algo = 'md5';
4725 }
4726 $hashes[] = $algo.':'.$value;
4727 }
4728 if (is_array($hashes))
4729 {
4730 $hashes = array_values(SimplePie_Misc::array_unique($hashes));
4731 }
4732 }
4733 else
4734 {
4735 $hashes = $hashes_parent;
4736 }
4737
4738 // KEYWORDS
4739 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
4740 {
4741 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
4742 {
4743 $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
4744 foreach ($temp as $word)
4745 {
4746 $keywords[] = trim($word);
4747 }
4748 unset($temp);
4749 }
4750 if (is_array($keywords))
4751 {
4752 $keywords = array_values(SimplePie_Misc::array_unique($keywords));
4753 }
4754 }
4755 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
4756 {
4757 if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
4758 {
4759 $temp = explode(',', $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
4760 foreach ($temp as $word)
4761 {
4762 $keywords[] = trim($word);
4763 }
4764 unset($temp);
4765 }
4766 if (is_array($keywords))
4767 {
4768 $keywords = array_values(SimplePie_Misc::array_unique($keywords));
4769 }
4770 }
4771 else
4772 {
4773 $keywords = $keywords_parent;
4774 }
4775
4776 // PLAYER
4777 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
4778 {
4779 $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4780 }
4781 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
4782 {
4783 $player = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4784 }
4785 else
4786 {
4787 $player = $player_parent;
4788 }
4789
4790 // RATINGS
4791 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
4792 {
4793 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
4794 {
4795 $rating_scheme = null;
4796 $rating_value = null;
4797 if (isset($rating['attribs']['']['scheme']))
4798 {
4799 $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
4800 }
4801 else
4802 {
4803 $rating_scheme = 'urn:simple';
4804 }
4805 if (isset($rating['data']))
4806 {
4807 $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4808 }
4809 $ratings[] =& new $this->feed->rating_class($rating_scheme, $rating_value);
4810 }
4811 if (is_array($ratings))
4812 {
4813 $ratings = array_values(SimplePie_Misc::array_unique($ratings));
4814 }
4815 }
4816 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
4817 {
4818 foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
4819 {
4820 $rating_scheme = null;
4821 $rating_value = null;
4822 if (isset($rating['attribs']['']['scheme']))
4823 {
4824 $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
4825 }
4826 else
4827 {
4828 $rating_scheme = 'urn:simple';
4829 }
4830 if (isset($rating['data']))
4831 {
4832 $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4833 }
4834 $ratings[] =& new $this->feed->rating_class($rating_scheme, $rating_value);
4835 }
4836 if (is_array($ratings))
4837 {
4838 $ratings = array_values(SimplePie_Misc::array_unique($ratings));
4839 }
4840 }
4841 else
4842 {
4843 $ratings = $ratings_parent;
4844 }
4845
4846 // RESTRICTIONS
4847 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
4848 {
4849 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
4850 {
4851 $restriction_relationship = null;
4852 $restriction_type = null;
4853 $restriction_value = null;
4854 if (isset($restriction['attribs']['']['relationship']))
4855 {
4856 $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
4857 }
4858 if (isset($restriction['attribs']['']['type']))
4859 {
4860 $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
4861 }
4862 if (isset($restriction['data']))
4863 {
4864 $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4865 }
4866 $restrictions[] =& new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
4867 }
4868 if (is_array($restrictions))
4869 {
4870 $restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
4871 }
4872 }
4873 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
4874 {
4875 foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
4876 {
4877 $restriction_relationship = null;
4878 $restriction_type = null;
4879 $restriction_value = null;
4880 if (isset($restriction['attribs']['']['relationship']))
4881 {
4882 $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
4883 }
4884 if (isset($restriction['attribs']['']['type']))
4885 {
4886 $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
4887 }
4888 if (isset($restriction['data']))
4889 {
4890 $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4891 }
4892 $restrictions[] =& new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
4893 }
4894 if (is_array($restrictions))
4895 {
4896 $restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
4897 }
4898 }
4899 else
4900 {
4901 $restrictions = $restrictions_parent;
4902 }
4903
4904 // THUMBNAILS
4905 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
4906 {
4907 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
4908 {
4909 $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4910 }
4911 if (is_array($thumbnails))
4912 {
4913 $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
4914 }
4915 }
4916 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
4917 {
4918 foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
4919 {
4920 $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
4921 }
4922 if (is_array($thumbnails))
4923 {
4924 $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
4925 }
4926 }
4927 else
4928 {
4929 $thumbnails = $thumbnails_parent;
4930 }
4931
4932 // TITLES
4933 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
4934 {
4935 $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4936 }
4937 elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
4938 {
4939 $title = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
4940 }
4941 else
4942 {
4943 $title = $title_parent;
4944 }
4945
4946 $this->data['enclosures'][] =& new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width);
4947 }
4948 }
4949 }
4950
4951 // If we have standalone media:content tags, loop through them.
4952 if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content']))
4953 {
4954 foreach ((array) $this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content)
4955 {
4956 if (isset($content['attribs']['']['url']))
4957 {
4958 // Attributes
4959 $bitrate = null;
4960 $channels = null;
4961 $duration = null;
4962 $expression = null;
4963 $framerate = null;
4964 $height = null;
4965 $javascript = null;
4966 $lang = null;
4967 $length = null;
4968 $medium = null;
4969 $samplingrate = null;
4970 $type = null;
4971 $url = null;
4972 $width = null;
4973
4974 // Elements
4975 $captions = null;
4976 $categories = null;
4977 $copyrights = null;
4978 $credits = null;
4979 $description = null;
4980 $hashes = null;
4981 $keywords = null;
4982 $player = null;
4983 $ratings = null;
4984 $restrictions = null;
4985 $thumbnails = null;
4986 $title = null;
4987
4988 // Start checking the attributes of media:content
4989 if (isset($content['attribs']['']['bitrate']))
4990 {
4991 $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT);
4992 }
4993 if (isset($content['attribs']['']['channels']))
4994 {
4995 $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT);
4996 }
4997 if (isset($content['attribs']['']['duration']))
4998 {
4999 $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT);
5000 }
5001 else
5002 {
5003 $duration = $duration_parent;
5004 }
5005 if (isset($content['attribs']['']['expression']))
5006 {
5007 $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT);
5008 }
5009 if (isset($content['attribs']['']['framerate']))
5010 {
5011 $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT);
5012 }
5013 if (isset($content['attribs']['']['height']))
5014 {
5015 $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT);
5016 }
5017 if (isset($content['attribs']['']['lang']))
5018 {
5019 $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
5020 }
5021 if (isset($content['attribs']['']['fileSize']))
5022 {
5023 $length = ceil($content['attribs']['']['fileSize']);
5024 }
5025 if (isset($content['attribs']['']['medium']))
5026 {
5027 $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT);
5028 }
5029 if (isset($content['attribs']['']['samplingrate']))
5030 {
5031 $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT);
5032 }
5033 if (isset($content['attribs']['']['type']))
5034 {
5035 $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
5036 }
5037 if (isset($content['attribs']['']['width']))
5038 {
5039 $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT);
5040 }
5041 $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
5042
5043 // Checking the other optional media: elements. Priority: media:content, media:group, item, channel
5044
5045 // CAPTIONS
5046 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text']))
5047 {
5048 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption)
5049 {
5050 $caption_type = null;
5051 $caption_lang = null;
5052 $caption_startTime = null;
5053 $caption_endTime = null;
5054 $caption_text = null;
5055 if (isset($caption['attribs']['']['type']))
5056 {
5057 $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
5058 }
5059 if (isset($caption['attribs']['']['lang']))
5060 {
5061 $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT);
5062 }
5063 if (isset($caption['attribs']['']['start']))
5064 {
5065 $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT);
5066 }
5067 if (isset($caption['attribs']['']['end']))
5068 {
5069 $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT);
5070 }
5071 if (isset($caption['data']))
5072 {
5073 $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5074 }
5075 $captions[] =& new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text);
5076 }
5077 if (is_array($captions))
5078 {
5079 $captions = array_values(SimplePie_Misc::array_unique($captions));
5080 }
5081 }
5082 else
5083 {
5084 $captions = $captions_parent;
5085 }
5086
5087 // CATEGORIES
5088 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category']))
5089 {
5090 foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category)
5091 {
5092 $term = null;
5093 $scheme = null;
5094 $label = null;
5095 if (isset($category['data']))
5096 {
5097 $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5098 }
5099 if (isset($category['attribs']['']['scheme']))
5100 {
5101 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
5102 }
5103 else
5104 {
5105 $scheme = 'http://search.yahoo.com/mrss/category_schema';
5106 }
5107 if (isset($category['attribs']['']['label']))
5108 {
5109 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
5110 }
5111 $categories[] =& new $this->feed->category_class($term, $scheme, $label);
5112 }
5113 }
5114 if (is_array($categories) && is_array($categories_parent))
5115 {
5116 $categories = array_values(SimplePie_Misc::array_unique(array_merge($categories, $categories_parent)));
5117 }
5118 elseif (is_array($categories))
5119 {
5120 $categories = array_values(SimplePie_Misc::array_unique($categories));
5121 }
5122 elseif (is_array($categories_parent))
5123 {
5124 $categories = array_values(SimplePie_Misc::array_unique($categories_parent));
5125 }
5126 else
5127 {
5128 $categories = null;
5129 }
5130
5131 // COPYRIGHTS
5132 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright']))
5133 {
5134 $copyright_url = null;
5135 $copyright_label = null;
5136 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url']))
5137 {
5138 $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT);
5139 }
5140 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data']))
5141 {
5142 $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5143 }
5144 $copyrights =& new $this->feed->copyright_class($copyright_url, $copyright_label);
5145 }
5146 else
5147 {
5148 $copyrights = $copyrights_parent;
5149 }
5150
5151 // CREDITS
5152 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit']))
5153 {
5154 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit)
5155 {
5156 $credit_role = null;
5157 $credit_scheme = null;
5158 $credit_name = null;
5159 if (isset($credit['attribs']['']['role']))
5160 {
5161 $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT);
5162 }
5163 if (isset($credit['attribs']['']['scheme']))
5164 {
5165 $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
5166 }
5167 else
5168 {
5169 $credit_scheme = 'urn:ebu';
5170 }
5171 if (isset($credit['data']))
5172 {
5173 $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5174 }
5175 $credits[] =& new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name);
5176 }
5177 if (is_array($credits))
5178 {
5179 $credits = array_values(SimplePie_Misc::array_unique($credits));
5180 }
5181 }
5182 else
5183 {
5184 $credits = $credits_parent;
5185 }
5186
5187 // DESCRIPTION
5188 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description']))
5189 {
5190 $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5191 }
5192 else
5193 {
5194 $description = $description_parent;
5195 }
5196
5197 // HASHES
5198 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash']))
5199 {
5200 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash)
5201 {
5202 $value = null;
5203 $algo = null;
5204 if (isset($hash['data']))
5205 {
5206 $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5207 }
5208 if (isset($hash['attribs']['']['algo']))
5209 {
5210 $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT);
5211 }
5212 else
5213 {
5214 $algo = 'md5';
5215 }
5216 $hashes[] = $algo.':'.$value;
5217 }
5218 if (is_array($hashes))
5219 {
5220 $hashes = array_values(SimplePie_Misc::array_unique($hashes));
5221 }
5222 }
5223 else
5224 {
5225 $hashes = $hashes_parent;
5226 }
5227
5228 // KEYWORDS
5229 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords']))
5230 {
5231 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data']))
5232 {
5233 $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT));
5234 foreach ($temp as $word)
5235 {
5236 $keywords[] = trim($word);
5237 }
5238 unset($temp);
5239 }
5240 if (is_array($keywords))
5241 {
5242 $keywords = array_values(SimplePie_Misc::array_unique($keywords));
5243 }
5244 }
5245 else
5246 {
5247 $keywords = $keywords_parent;
5248 }
5249
5250 // PLAYER
5251 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player']))
5252 {
5253 $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
5254 }
5255 else
5256 {
5257 $player = $player_parent;
5258 }
5259
5260 // RATINGS
5261 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating']))
5262 {
5263 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating)
5264 {
5265 $rating_scheme = null;
5266 $rating_value = null;
5267 if (isset($rating['attribs']['']['scheme']))
5268 {
5269 $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
5270 }
5271 else
5272 {
5273 $rating_scheme = 'urn:simple';
5274 }
5275 if (isset($rating['data']))
5276 {
5277 $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5278 }
5279 $ratings[] =& new $this->feed->rating_class($rating_scheme, $rating_value);
5280 }
5281 if (is_array($ratings))
5282 {
5283 $ratings = array_values(SimplePie_Misc::array_unique($ratings));
5284 }
5285 }
5286 else
5287 {
5288 $ratings = $ratings_parent;
5289 }
5290
5291 // RESTRICTIONS
5292 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction']))
5293 {
5294 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction)
5295 {
5296 $restriction_relationship = null;
5297 $restriction_type = null;
5298 $restriction_value = null;
5299 if (isset($restriction['attribs']['']['relationship']))
5300 {
5301 $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT);
5302 }
5303 if (isset($restriction['attribs']['']['type']))
5304 {
5305 $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
5306 }
5307 if (isset($restriction['data']))
5308 {
5309 $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5310 }
5311 $restrictions[] =& new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value);
5312 }
5313 if (is_array($restrictions))
5314 {
5315 $restrictions = array_values(SimplePie_Misc::array_unique($restrictions));
5316 }
5317 }
5318 else
5319 {
5320 $restrictions = $restrictions_parent;
5321 }
5322
5323 // THUMBNAILS
5324 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail']))
5325 {
5326 foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail)
5327 {
5328 $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI);
5329 }
5330 if (is_array($thumbnails))
5331 {
5332 $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails));
5333 }
5334 }
5335 else
5336 {
5337 $thumbnails = $thumbnails_parent;
5338 }
5339
5340 // TITLES
5341 if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title']))
5342 {
5343 $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5344 }
5345 else
5346 {
5347 $title = $title_parent;
5348 }
5349
5350 $this->data['enclosures'][] =& new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width);
5351 }
5352 }
5353 }
5354
5355 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link)
5356 {
5357 if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] == 'enclosure')
5358 {
5359 // Attributes
5360 $bitrate = null;
5361 $channels = null;
5362 $duration = null;
5363 $expression = null;
5364 $framerate = null;
5365 $height = null;
5366 $javascript = null;
5367 $lang = null;
5368 $length = null;
5369 $medium = null;
5370 $samplingrate = null;
5371 $type = null;
5372 $url = null;
5373 $width = null;
5374
5375 $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
5376 if (isset($link['attribs']['']['type']))
5377 {
5378 $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
5379 }
5380 if (isset($link['attribs']['']['length']))
5381 {
5382 $length = ceil($link['attribs']['']['length']);
5383 }
5384
5385 // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
5386 $this->data['enclosures'][] =& new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
5387 }
5388 }
5389
5390 foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link)
5391 {
5392 if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] == 'enclosure')
5393 {
5394 // Attributes
5395 $bitrate = null;
5396 $channels = null;
5397 $duration = null;
5398 $expression = null;
5399 $framerate = null;
5400 $height = null;
5401 $javascript = null;
5402 $lang = null;
5403 $length = null;
5404 $medium = null;
5405 $samplingrate = null;
5406 $type = null;
5407 $url = null;
5408 $width = null;
5409
5410 $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
5411 if (isset($link['attribs']['']['type']))
5412 {
5413 $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
5414 }
5415 if (isset($link['attribs']['']['length']))
5416 {
5417 $length = ceil($link['attribs']['']['length']);
5418 }
5419
5420 // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
5421 $this->data['enclosures'][] =& new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
5422 }
5423 }
5424
5425 if ($enclosure = $this->get_item_tags('', 'enclosure'))
5426 {
5427 if (isset($enclosure[0]['attribs']['']['url']))
5428 {
5429 // Attributes
5430 $bitrate = null;
5431 $channels = null;
5432 $duration = null;
5433 $expression = null;
5434 $framerate = null;
5435 $height = null;
5436 $javascript = null;
5437 $lang = null;
5438 $length = null;
5439 $medium = null;
5440 $samplingrate = null;
5441 $type = null;
5442 $url = null;
5443 $width = null;
5444
5445 $url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0]));
5446 if (isset($enclosure[0]['attribs']['']['type']))
5447 {
5448 $type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT);
5449 }
5450 if (isset($enclosure[0]['attribs']['']['length']))
5451 {
5452 $length = ceil($enclosure[0]['attribs']['']['length']);
5453 }
5454
5455 // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
5456 $this->data['enclosures'][] =& new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
5457 }
5458 }
5459
5460 if (sizeof($this->data['enclosures']) == 0)
5461 {
5462 // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor
5463 $this->data['enclosures'][] =& new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width);
5464 }
5465
5466 $this->data['enclosures'] = array_values(SimplePie_Misc::array_unique($this->data['enclosures']));
5467 }
5468 if (!empty($this->data['enclosures']))
5469 {
5470 return $this->data['enclosures'];
5471 }
5472 else
5473 {
5474 return null;
5475 }
5476 }
5477
5478 function get_latitude()
5479 {
5480 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
5481 {
5482 return (float) $return[0]['data'];
5483 }
5484 elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', $return[0]['data'], $match))
5485 {
5486 return (float) $match[1];
5487 }
5488 else
5489 {
5490 return null;
5491 }
5492 }
5493
5494 function get_longitude()
5495 {
5496 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
5497 {
5498 return (float) $return[0]['data'];
5499 }
5500 elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
5501 {
5502 return (float) $return[0]['data'];
5503 }
5504 elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', $return[0]['data'], $match))
5505 {
5506 return (float) $match[2];
5507 }
5508 else
5509 {
5510 return null;
5511 }
5512 }
5513
5514 function get_source()
5515 {
5516 if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'source'))
5517 {
5518 return new $this->feed->source_class($this, $return[0]);
5519 }
5520 else
5521 {
5522 return null;
5523 }
5524 }
5525
5526 /**
5527 * Creates the add_to_* methods' return data
5528 *
5529 * @access private
5530 * @param string $item_url String to prefix to the item permalink
5531 * @param string $title_url String to prefix to the item title
5532 * (and suffix to the item permalink)
5533 * @return mixed URL if feed exists, false otherwise
5534 */
5535 function add_to_service($item_url, $title_url = null)
5536 {
5537 if ($this->get_permalink() !== null)
5538 {
5539 $return = $this->sanitize($item_url, SIMPLEPIE_CONSTRUCT_IRI) . rawurlencode($this->get_permalink());
5540 if ($title_url !== null && $this->get_title() !== null)
5541 {
5542 $return .= $this->sanitize($title_url, SIMPLEPIE_CONSTRUCT_IRI) . rawurlencode($this->get_title());
5543 }
5544 return $return;
5545 }
5546 else
5547 {
5548 return null;
5549 }
5550 }
5551
5552 function add_to_blinklist()
5553 {
5554 return $this->add_to_service('http://www.blinklist.com/index.php?Action=Blink/addblink.php&Description=&Url=', '&Title=');
5555 }
5556
5557 function add_to_blogmarks()
5558 {
5559 return $this->add_to_service('http://blogmarks.net/my/new.php?mini=1&simple=1&url=', '&title=');
5560 }
5561
5562 function add_to_delicious()
5563 {
5564 return $this->add_to_service('http://del.icio.us/post/?v=4&url=', '&title=');
5565 }
5566
5567 function add_to_digg()
5568 {
5569 return $this->add_to_service('http://digg.com/submit?phase=2&URL=');
5570 }
5571
5572 function add_to_furl()
5573 {
5574 return $this->add_to_service('http://www.furl.net/storeIt.jsp?u=', '&t=');
5575 }
5576
5577 function add_to_magnolia()
5578 {
5579 return $this->add_to_service('http://ma.gnolia.com/bookmarklet/add?url=', '&title=');
5580 }
5581
5582 function add_to_myweb20()
5583 {
5584 return $this->add_to_service('http://myweb2.search.yahoo.com/myresults/bookmarklet?u=', '&t=');
5585 }
5586
5587 function add_to_newsvine()
5588 {
5589 return $this->add_to_service('http://www.newsvine.com/_wine/save?u=', '&h=');
5590 }
5591
5592 function add_to_reddit()
5593 {
5594 return $this->add_to_service('http://reddit.com/submit?url=', '&title=');
5595 }
5596
5597 function add_to_segnalo()
5598 {
5599 return $this->add_to_service('http://segnalo.com/post.html.php?url=', '&title=');
5600 }
5601
5602 function add_to_simpy()
5603 {
5604 return $this->add_to_service('http://www.simpy.com/simpy/LinkAdd.do?href=', '&title=');
5605 }
5606
5607 function add_to_spurl()
5608 {
5609 return $this->add_to_service('http://www.spurl.net/spurl.php?v=3&url=', '&title=');
5610 }
5611
5612 function add_to_wists()
5613 {
5614 return $this->add_to_service('http://wists.com/r.php?c=&r=', '&title=');
5615 }
5616
5617 function search_technorati()
5618 {
5619 return $this->add_to_service('http://www.technorati.com/search/');
5620 }
5621 }
5622
5623 class SimplePie_Source
5624 {
5625 var $item;
5626 var $data = array();
5627
5628 function SimplePie_Source($item, $data)
5629 {
5630 $this->item = $item;
5631 $this->data = $data;
5632 }
5633
5634 function __toString()
5635 {
5636 return md5(serialize($this->data));
5637 }
5638
5639 /**
5640 * Remove items that link back to this before destroying this object
5641 */
5642 function __destruct()
5643 {
5644 unset($this->item);
5645 }
5646
5647 function get_source_tags($namespace, $tag)
5648 {
5649 if (isset($this->data['child'][$namespace][$tag]))
5650 {
5651 return $this->data['child'][$namespace][$tag];
5652 }
5653 else
5654 {
5655 return null;
5656 }
5657 }
5658
5659 function get_base($element = array())
5660 {
5661 return $this->item->get_base($element);
5662 }
5663
5664 function sanitize($data, $type, $base = '')
5665 {
5666 return $this->item->sanitize($data, $type, $base);
5667 }
5668
5669 function get_item()
5670 {
5671 return $this->item;
5672 }
5673
5674 function get_title()
5675 {
5676 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
5677 {
5678 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
5679 }
5680 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
5681 {
5682 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
5683 }
5684 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
5685 {
5686 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
5687 }
5688 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
5689 {
5690 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
5691 }
5692 elseif ($return = $this->get_source_tags('', 'title'))
5693 {
5694 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
5695 }
5696 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
5697 {
5698 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5699 }
5700 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
5701 {
5702 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5703 }
5704 else
5705 {
5706 return null;
5707 }
5708 }
5709
5710 function get_category($key = 0)
5711 {
5712 $categories = $this->get_categories();
5713 if (isset($categories[$key]))
5714 {
5715 return $categories[$key];
5716 }
5717 else
5718 {
5719 return null;
5720 }
5721 }
5722
5723 function get_categories()
5724 {
5725 $categories = array();
5726
5727 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
5728 {
5729 $term = null;
5730 $scheme = null;
5731 $label = null;
5732 if (isset($category['attribs']['']['term']))
5733 {
5734 $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
5735 }
5736 if (isset($category['attribs']['']['scheme']))
5737 {
5738 $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
5739 }
5740 if (isset($category['attribs']['']['label']))
5741 {
5742 $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
5743 }
5744 $categories[] =& new $this->item->feed->category_class($term, $scheme, $label);
5745 }
5746 foreach ((array) $this->get_source_tags('', 'category') as $category)
5747 {
5748 $categories[] =& new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
5749 }
5750 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
5751 {
5752 $categories[] =& new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
5753 }
5754 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
5755 {
5756 $categories[] =& new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
5757 }
5758
5759 if (!empty($categories))
5760 {
5761 return SimplePie_Misc::array_unique($categories);
5762 }
5763 else
5764 {
5765 return null;
5766 }
5767 }
5768
5769 function get_author($key = 0)
5770 {
5771 $authors = $this->get_authors();
5772 if (isset($authors[$key]))
5773 {
5774 return $authors[$key];
5775 }
5776 else
5777 {
5778 return null;
5779 }
5780 }
5781
5782 function get_authors()
5783 {
5784 $authors = array();
5785 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
5786 {
5787 $name = null;
5788 $uri = null;
5789 $email = null;
5790 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
5791 {
5792 $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5793 }
5794 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
5795 {
5796 $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
5797 }
5798 if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
5799 {
5800 $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5801 }
5802 if ($name !== null || $email !== null || $uri !== null)
5803 {
5804 $authors[] =& new $this->item->feed->author_class($name, $uri, $email);
5805 }
5806 }
5807 if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
5808 {
5809 $name = null;
5810 $url = null;
5811 $email = null;
5812 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
5813 {
5814 $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5815 }
5816 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
5817 {
5818 $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
5819 }
5820 if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
5821 {
5822 $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5823 }
5824 if ($name !== null || $email !== null || $url !== null)
5825 {
5826 $authors[] =& new $this->item->feed->author_class($name, $url, $email);
5827 }
5828 }
5829 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
5830 {
5831 $authors[] =& new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
5832 }
5833 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
5834 {
5835 $authors[] =& new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
5836 }
5837 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
5838 {
5839 $authors[] =& new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null);
5840 }
5841
5842 if (!empty($authors))
5843 {
5844 return SimplePie_Misc::array_unique($authors);
5845 }
5846 else
5847 {
5848 return null;
5849 }
5850 }
5851
5852 function get_contributor($key = 0)
5853 {
5854 $contributors = $this->get_contributors();
5855 if (isset($contributors[$key]))
5856 {
5857 return $contributors[$key];
5858 }
5859 else
5860 {
5861 return null;
5862 }
5863 }
5864
5865 function get_contributors()
5866 {
5867 $contributors = array();
5868 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
5869 {
5870 $name = null;
5871 $uri = null;
5872 $email = null;
5873 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
5874 {
5875 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5876 }
5877 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
5878 {
5879 $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
5880 }
5881 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
5882 {
5883 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5884 }
5885 if ($name !== null || $email !== null || $uri !== null)
5886 {
5887 $contributors[] =& new $this->item->feed->author_class($name, $uri, $email);
5888 }
5889 }
5890 foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
5891 {
5892 $name = null;
5893 $url = null;
5894 $email = null;
5895 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
5896 {
5897 $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5898 }
5899 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
5900 {
5901 $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
5902 }
5903 if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
5904 {
5905 $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
5906 }
5907 if ($name !== null || $email !== null || $url !== null)
5908 {
5909 $contributors[] =& new $this->item->feed->author_class($name, $url, $email);
5910 }
5911 }
5912
5913 if (!empty($contributors))
5914 {
5915 return SimplePie_Misc::array_unique($contributors);
5916 }
5917 else
5918 {
5919 return null;
5920 }
5921 }
5922
5923 function get_link($key = 0, $rel = 'alternate')
5924 {
5925 $links = $this->get_links($rel);
5926 if (isset($links[$key]))
5927 {
5928 return $links[$key];
5929 }
5930 else
5931 {
5932 return null;
5933 }
5934 }
5935
5936 /**
5937 * Added for parity between the parent-level and the item/entry-level.
5938 */
5939 function get_permalink()
5940 {
5941 return $this->get_link(0);
5942 }
5943
5944 function get_links($rel = 'alternate')
5945 {
5946 if (!isset($this->data['links']))
5947 {
5948 $this->data['links'] = array();
5949 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
5950 {
5951 foreach ($links as $link)
5952 {
5953 if (isset($link['attribs']['']['href']))
5954 {
5955 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
5956 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
5957 }
5958 }
5959 }
5960 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
5961 {
5962 foreach ($links as $link)
5963 {
5964 if (isset($link['attribs']['']['href']))
5965 {
5966 $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
5967 $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
5968
5969 }
5970 }
5971 }
5972 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
5973 {
5974 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
5975 }
5976 if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
5977 {
5978 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
5979 }
5980 if ($links = $this->get_source_tags('', 'link'))
5981 {
5982 $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
5983 }
5984
5985 $keys = array_keys($this->data['links']);
5986 foreach ($keys as $key)
5987 {
5988 if (SimplePie_Misc::is_isegment_nz_nc($key))
5989 {
5990 if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
5991 {
5992 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
5993 $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
5994 }
5995 else
5996 {
5997 $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
5998 }
5999 }
6000 elseif (substr($key, 0, 41) == SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
6001 {
6002 $this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
6003 }
6004 $this->data['links'][$key] = array_unique($this->data['links'][$key]);
6005 }
6006 }
6007
6008 if (isset($this->data['links'][$rel]))
6009 {
6010 return $this->data['links'][$rel];
6011 }
6012 else
6013 {
6014 return null;
6015 }
6016 }
6017
6018 function get_description()
6019 {
6020 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
6021 {
6022 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
6023 }
6024 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
6025 {
6026 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
6027 }
6028 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
6029 {
6030 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
6031 }
6032 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
6033 {
6034 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
6035 }
6036 elseif ($return = $this->get_source_tags('', 'description'))
6037 {
6038 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
6039 }
6040 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
6041 {
6042 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
6043 }
6044 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
6045 {
6046 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
6047 }
6048 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
6049 {
6050 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
6051 }
6052 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
6053 {
6054 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
6055 }
6056 else
6057 {
6058 return null;
6059 }
6060 }
6061
6062 function get_copyright()
6063 {
6064 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
6065 {
6066 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0]));
6067 }
6068 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
6069 {
6070 return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0]));
6071 }
6072 elseif ($return = $this->get_source_tags('', 'copyright'))
6073 {
6074 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
6075 }
6076 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
6077 {
6078 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
6079 }
6080 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
6081 {
6082 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
6083 }
6084 else
6085 {
6086 return null;
6087 }
6088 }
6089
6090 function get_language()
6091 {
6092 if ($return = $this->get_source_tags('', 'language'))
6093 {
6094 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
6095 }
6096 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
6097 {
6098 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
6099 }
6100 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
6101 {
6102 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
6103 }
6104 elseif (isset($this->data['xml_lang']))
6105 {
6106 return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
6107 }
6108 else
6109 {
6110 return null;
6111 }
6112 }
6113
6114 function get_latitude()
6115 {
6116 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
6117 {
6118 return (float) $return[0]['data'];
6119 }
6120 elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', $return[0]['data'], $match))
6121 {
6122 return (float) $match[1];
6123 }
6124 else
6125 {
6126 return null;
6127 }
6128 }
6129
6130 function get_longitude()
6131 {
6132 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
6133 {
6134 return (float) $return[0]['data'];
6135 }
6136 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
6137 {
6138 return (float) $return[0]['data'];
6139 }
6140 elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', $return[0]['data'], $match))
6141 {
6142 return (float) $match[2];
6143 }
6144 else
6145 {
6146 return null;
6147 }
6148 }
6149
6150 function get_image_url()
6151 {
6152 if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
6153 {
6154 return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
6155 }
6156 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
6157 {
6158 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
6159 }
6160 elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
6161 {
6162 return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
6163 }
6164 else
6165 {
6166 return null;
6167 }
6168 }
6169 }
6170
6171 class SimplePie_Author
6172 {
6173 var $name;
6174 var $link;
6175 var $email;
6176
6177 // Constructor, used to input the data
6178 function SimplePie_Author($name = null, $link = null, $email = null)
6179 {
6180 $this->name = $name;
6181 $this->link = $link;
6182 $this->email = $email;
6183 }
6184
6185 function __toString()
6186 {
6187 // There is no $this->data here
6188 return md5(serialize($this));
6189 }
6190
6191 function get_name()
6192 {
6193 if ($this->name !== null)
6194 {
6195 return $this->name;
6196 }
6197 else
6198 {
6199 return null;
6200 }
6201 }
6202
6203 function get_link()
6204 {
6205 if ($this->link !== null)
6206 {
6207 return $this->link;
6208 }
6209 else
6210 {
6211 return null;
6212 }
6213 }
6214
6215 function get_email()
6216 {
6217 if ($this->email !== null)
6218 {
6219 return $this->email;
6220 }
6221 else
6222 {
6223 return null;
6224 }
6225 }
6226 }
6227
6228 class SimplePie_Category
6229 {
6230 var $term;
6231 var $scheme;
6232 var $label;
6233
6234 // Constructor, used to input the data
6235 function SimplePie_Category($term = null, $scheme = null, $label = null)
6236 {
6237 $this->term = $term;
6238 $this->scheme = $scheme;
6239 $this->label = $label;
6240 }
6241
6242 function __toString()
6243 {
6244 // There is no $this->data here
6245 return md5(serialize($this));
6246 }
6247
6248 function get_term()
6249 {
6250 if ($this->term !== null)
6251 {
6252 return $this->term;
6253 }
6254 else
6255 {
6256 return null;
6257 }
6258 }
6259
6260 function get_scheme()
6261 {
6262 if ($this->scheme !== null)
6263 {
6264 return $this->scheme;
6265 }
6266 else
6267 {
6268 return null;
6269 }
6270 }
6271
6272 function get_label()
6273 {
6274 if ($this->label !== null)
6275 {
6276 return $this->label;
6277 }
6278 else
6279 {
6280 return $this->get_term();
6281 }
6282 }
6283 }
6284
6285 class SimplePie_Enclosure
6286 {
6287 var $bitrate;
6288 var $captions;
6289 var $categories;
6290 var $channels;
6291 var $copyright;
6292 var $credits;
6293 var $description;
6294 var $duration;
6295 var $expression;
6296 var $framerate;
6297 var $handler;
6298 var $hashes;
6299 var $height;
6300 var $javascript;
6301 var $keywords;
6302 var $lang;
6303 var $length;
6304 var $link;
6305 var $medium;
6306 var $player;
6307 var $ratings;
6308 var $restrictions;
6309 var $samplingrate;
6310 var $thumbnails;
6311 var $title;
6312 var $type;
6313 var $width;
6314
6315 // Constructor, used to input the data
6316 function SimplePie_Enclosure($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null)
6317 {
6318 $this->bitrate = $bitrate;
6319 $this->captions = $captions;
6320 $this->categories = $categories;
6321 $this->channels = $channels;
6322 $this->copyright = $copyright;
6323 $this->credits = $credits;
6324 $this->description = $description;
6325 $this->duration = $duration;
6326 $this->expression = $expression;
6327 $this->framerate = $framerate;
6328 $this->hashes = $hashes;
6329 $this->height = $height;
6330 $this->javascript = $javascript;
6331 $this->keywords = $keywords;
6332 $this->lang = $lang;
6333 $this->length = $length;
6334 $this->link = $link;
6335 $this->medium = $medium;
6336 $this->player = $player;
6337 $this->ratings = $ratings;
6338 $this->restrictions = $restrictions;
6339 $this->samplingrate = $samplingrate;
6340 $this->thumbnails = $thumbnails;
6341 $this->title = $title;
6342 $this->type = $type;
6343 $this->width = $width;
6344 if (class_exists('idna_convert'))
6345 {
6346 $idn =& new idna_convert;
6347 $parsed = SimplePie_Misc::parse_url($link);
6348 $this->link = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
6349 }
6350 $this->handler = $this->get_handler(); // Needs to load last
6351 }
6352
6353 function __toString()
6354 {
6355 // There is no $this->data here
6356 return md5(serialize($this));
6357 }
6358
6359 function get_bitrate()
6360 {
6361 if ($this->bitrate !== null)
6362 {
6363 return $this->bitrate;
6364 }
6365 else
6366 {
6367 return null;
6368 }
6369 }
6370
6371 function get_caption($key = 0)
6372 {
6373 $captions = $this->get_captions();
6374 if (isset($captions[$key]))
6375 {
6376 return $captions[$key];
6377 }
6378 else
6379 {
6380 return null;
6381 }
6382 }
6383
6384 function get_captions()
6385 {
6386 if ($this->captions !== null)
6387 {
6388 return $this->captions;
6389 }
6390 else
6391 {
6392 return null;
6393 }
6394 }
6395
6396 function get_category($key = 0)
6397 {
6398 $categories = $this->get_categories();
6399 if (isset($categories[$key]))
6400 {
6401 return $categories[$key];
6402 }
6403 else
6404 {
6405 return null;
6406 }
6407 }
6408
6409 function get_categories()
6410 {
6411 if ($this->categories !== null)
6412 {
6413 return $this->categories;
6414 }
6415 else
6416 {
6417 return null;
6418 }
6419 }
6420
6421 function get_channels()
6422 {
6423 if ($this->channels !== null)
6424 {
6425 return $this->channels;
6426 }
6427 else
6428 {
6429 return null;
6430 }
6431 }
6432
6433 function get_copyright()
6434 {
6435 if ($this->copyright !== null)
6436 {
6437 return $this->copyright;
6438 }
6439 else
6440 {
6441 return null;
6442 }
6443 }
6444
6445 function get_credit($key = 0)
6446 {
6447 $credits = $this->get_credits();
6448 if (isset($credits[$key]))
6449 {
6450 return $credits[$key];
6451 }
6452 else
6453 {
6454 return null;
6455 }
6456 }
6457
6458 function get_credits()
6459 {
6460 if ($this->credits !== null)
6461 {
6462 return $this->credits;
6463 }
6464 else
6465 {
6466 return null;
6467 }
6468 }
6469
6470 function get_description()
6471 {
6472 if ($this->description !== null)
6473 {
6474 return $this->description;
6475 }
6476 else
6477 {
6478 return null;
6479 }
6480 }
6481
6482 function get_duration($convert = false)
6483 {
6484 if ($this->duration !== null)
6485 {
6486 if ($convert)
6487 {
6488 $time = SimplePie_Misc::time_hms($this->duration);
6489 return $time;
6490 }
6491 else
6492 {
6493 return $this->duration;
6494 }
6495 }
6496 else
6497 {
6498 return null;
6499 }
6500 }
6501
6502 function get_expression()
6503 {
6504 if ($this->expression !== null)
6505 {
6506 return $this->expression;
6507 }
6508 else
6509 {
6510 return 'full';
6511 }
6512 }
6513
6514 function get_extension()
6515 {
6516 if ($this->link !== null)
6517 {
6518 $url = SimplePie_Misc::parse_url($this->link);
6519 if ($url['path'] !== '')
6520 {
6521 return pathinfo($url['path'], PATHINFO_EXTENSION);
6522 }
6523 }
6524 return null;
6525 }
6526
6527 function get_framerate()
6528 {
6529 if ($this->framerate !== null)
6530 {
6531 return $this->framerate;
6532 }
6533 else
6534 {
6535 return null;
6536 }
6537 }
6538
6539 function get_handler()
6540 {
6541 return $this->get_real_type(true);
6542 }
6543
6544 function get_hash($key = 0)
6545 {
6546 $hashes = $this->get_hashes();
6547 if (isset($hashes[$key]))
6548 {
6549 return $hashes[$key];
6550 }
6551 else
6552 {
6553 return null;
6554 }
6555 }
6556
6557 function get_hashes()
6558 {
6559 if ($this->hashes !== null)
6560 {
6561 return $this->hashes;
6562 }
6563 else
6564 {
6565 return null;
6566 }
6567 }
6568
6569 function get_height()
6570 {
6571 if ($this->height !== null)
6572 {
6573 return $this->height;
6574 }
6575 else
6576 {
6577 return null;
6578 }
6579 }
6580
6581 function get_language()
6582 {
6583 if ($this->lang !== null)
6584 {
6585 return $this->lang;
6586 }
6587 else
6588 {
6589 return null;
6590 }
6591 }
6592
6593 function get_keyword($key = 0)
6594 {
6595 $keywords = $this->get_keywords();
6596 if (isset($keywords[$key]))
6597 {
6598 return $keywords[$key];
6599 }
6600 else
6601 {
6602 return null;
6603 }
6604 }
6605
6606 function get_keywords()
6607 {
6608 if ($this->keywords !== null)
6609 {
6610 return $this->keywords;
6611 }
6612 else
6613 {
6614 return null;
6615 }
6616 }
6617
6618 function get_length()
6619 {
6620 if ($this->length !== null)
6621 {
6622 return $this->length;
6623 }
6624 else
6625 {
6626 return null;
6627 }
6628 }
6629
6630 function get_link()
6631 {
6632 if ($this->link !== null)
6633 {
6634 return urldecode($this->link);
6635 }
6636 else
6637 {
6638 return null;
6639 }
6640 }
6641
6642 function get_medium()
6643 {
6644 if ($this->medium !== null)
6645 {
6646 return $this->medium;
6647 }
6648 else
6649 {
6650 return null;
6651 }
6652 }
6653
6654 function get_player()
6655 {
6656 if ($this->player !== null)
6657 {
6658 return $this->player;
6659 }
6660 else
6661 {
6662 return null;
6663 }
6664 }
6665
6666 function get_rating($key = 0)
6667 {
6668 $ratings = $this->get_ratings();
6669 if (isset($ratings[$key]))
6670 {
6671 return $ratings[$key];
6672 }
6673 else
6674 {
6675 return null;
6676 }
6677 }
6678
6679 function get_ratings()
6680 {
6681 if ($this->ratings !== null)
6682 {
6683 return $this->ratings;
6684 }
6685 else
6686 {
6687 return null;
6688 }
6689 }
6690
6691 function get_restriction($key = 0)
6692 {
6693 $restrictions = $this->get_restrictions();
6694 if (isset($restrictions[$key]))
6695 {
6696 return $restrictions[$key];
6697 }
6698 else
6699 {
6700 return null;
6701 }
6702 }
6703
6704 function get_restrictions()
6705 {
6706 if ($this->restrictions !== null)
6707 {
6708 return $this->restrictions;
6709 }
6710 else
6711 {
6712 return null;
6713 }
6714 }
6715
6716 function get_sampling_rate()
6717 {
6718 if ($this->samplingrate !== null)
6719 {
6720 return $this->samplingrate;
6721 }
6722 else
6723 {
6724 return null;
6725 }
6726 }
6727
6728 function get_size()
6729 {
6730 $length = $this->get_length();
6731 if ($length !== null)
6732 {
6733 return round($length/1048576, 2);
6734 }
6735 else
6736 {
6737 return null;
6738 }
6739 }
6740
6741 function get_thumbnail($key = 0)
6742 {
6743 $thumbnails = $this->get_thumbnails();
6744 if (isset($thumbnails[$key]))
6745 {
6746 return $thumbnails[$key];
6747 }
6748 else
6749 {
6750 return null;
6751 }
6752 }
6753
6754 function get_thumbnails()
6755 {
6756 if ($this->thumbnails !== null)
6757 {
6758 return $this->thumbnails;
6759 }
6760 else
6761 {
6762 return null;
6763 }
6764 }
6765
6766 function get_title()
6767 {
6768 if ($this->title !== null)
6769 {
6770 return $this->title;
6771 }
6772 else
6773 {
6774 return null;
6775 }
6776 }
6777
6778 function get_type()
6779 {
6780 if ($this->type !== null)
6781 {
6782 return $this->type;
6783 }
6784 else
6785 {
6786 return null;
6787 }
6788 }
6789
6790 function get_width()
6791 {
6792 if ($this->width !== null)
6793 {
6794 return $this->width;
6795 }
6796 else
6797 {
6798 return null;
6799 }
6800 }
6801
6802 function native_embed($options='')
6803 {
6804 return $this->embed($options, true);
6805 }
6806
6807 /**
6808 * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'.
6809 */
6810 function embed($options = '', $native = false)
6811 {
6812 // Set up defaults
6813 $audio = '';
6814 $video = '';
6815 $alt = '';
6816 $altclass = '';
6817 $loop = 'false';
6818 $width = 'auto';
6819 $height = 'auto';
6820 $bgcolor = '#ffffff';
6821 $mediaplayer = '';
6822 $widescreen = false;
6823 $handler = $this->get_handler();
6824 $type = $this->get_real_type();
6825
6826 // Process options and reassign values as necessary
6827 if (is_array($options))
6828 {
6829 extract($options);
6830 }
6831 else
6832 {
6833 $options = explode(',', $options);
6834 foreach($options as $option)
6835 {
6836 $opt = explode(':', $option, 2);
6837 if (isset($opt[0], $opt[1]))
6838 {
6839 $opt[0] = trim($opt[0]);
6840 $opt[1] = trim($opt[1]);
6841 switch ($opt[0])
6842 {
6843 case 'audio':
6844 $audio = $opt[1];
6845 break;
6846
6847 case 'video':
6848 $video = $opt[1];
6849 break;
6850
6851 case 'alt':
6852 $alt = $opt[1];
6853 break;
6854
6855 case 'altclass':
6856 $altclass = $opt[1];
6857 break;
6858
6859 case 'loop':
6860 $loop = $opt[1];
6861 break;
6862
6863 case 'width':
6864 $width = $opt[1];
6865 break;
6866
6867 case 'height':
6868 $height = $opt[1];
6869 break;
6870
6871 case 'bgcolor':
6872 $bgcolor = $opt[1];
6873 break;
6874
6875 case 'mediaplayer':
6876 $mediaplayer = $opt[1];
6877 break;
6878
6879 case 'widescreen':
6880 $widescreen = $opt[1];
6881 break;
6882 }
6883 }
6884 }
6885 }
6886
6887 $mime = explode('/', $type, 2);
6888 $mime = $mime[0];
6889
6890 // Process values for 'auto'
6891 if ($width == 'auto')
6892 {
6893 if ($mime == 'video')
6894 {
6895 if ($height == 'auto')
6896 {
6897 $width = 480;
6898 }
6899 elseif ($widescreen)
6900 {
6901 $width = round((intval($height)/9)*16);
6902 }
6903 else
6904 {
6905 $width = round((intval($height)/3)*4);
6906 }
6907 }
6908 else
6909 {
6910 $width = '100%';
6911 }
6912 }
6913
6914 if ($height == 'auto')
6915 {
6916 if ($mime == 'audio')
6917 {
6918 $height = 0;
6919 }
6920 elseif ($mime == 'video')
6921 {
6922 if ($width == 'auto')
6923 {
6924 if ($widescreen)
6925 {
6926 $height = 270;
6927 }
6928 else
6929 {
6930 $height = 360;
6931 }
6932 }
6933 elseif ($widescreen)
6934 {
6935 $height = round((intval($width)/16)*9);
6936 }
6937 else
6938 {
6939 $height = round((intval($width)/4)*3);
6940 }
6941 }
6942 else
6943 {
6944 $height = 376;
6945 }
6946 }
6947 elseif ($mime == 'audio')
6948 {
6949 $height = 0;
6950 }
6951
6952 // Set proper placeholder value
6953 if ($mime == 'audio')
6954 {
6955 $placeholder = $audio;
6956 }
6957 elseif ($mime == 'video')
6958 {
6959 $placeholder = $video;
6960 }
6961
6962 $embed = '';
6963
6964 // Make sure the JS library is included
6965 if (!$native)
6966 {
6967 static $javascript_outputted = null;
6968 if (!$javascript_outputted && $this->javascript)
6969 {
6970 $embed .= '<script type="text/javascript" src="?' . htmlspecialchars($this->javascript) . '"></script>';
6971 $javascript_outputted = true;
6972 }
6973 }
6974
6975 // Odeo Feed MP3's
6976 if ($handler == 'odeo')
6977 {
6978 if ($native)
6979 {
6980 $embed .= '<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://adobe.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url=' . $this->get_link() . '"></embed>';
6981 }
6982 else
6983 {
6984 $embed .= '<script type="text/javascript">embed_odeo("' . $this->get_link() . '");</script>';
6985 }
6986 }
6987
6988 // Flash
6989 elseif ($handler == 'flash')
6990 {
6991 if ($native)
6992 {
6993 $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>";
6994 }
6995 else
6996 {
6997 $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>";
6998 }
6999 }
7000
7001 // Flash Media Player file types.
7002 // Preferred handler for MP3 file types.
7003 elseif ($handler == 'fmedia' || ($handler == 'mp3' && $mediaplayer != ''))
7004 {
7005 $height += 20;
7006 if ($native)
7007 {
7008 $embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>";
7009 }
7010 else
7011 {
7012 $embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>";
7013 }
7014 }
7015
7016 // QuickTime 7 file types. Need to test with QuickTime 6.
7017 // Only handle MP3's if the Flash Media Player is not present.
7018 elseif ($handler == 'quicktime' || ($handler == 'mp3' && $mediaplayer == ''))
7019 {
7020 $height += 16;
7021 if ($native)
7022 {
7023 if ($placeholder != ""){
7024 $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
7025 }
7026 else {
7027 $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
7028 }
7029 }
7030 else
7031 {
7032 $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>";
7033 }
7034 }
7035
7036 // Windows Media
7037 elseif ($handler == 'wmedia')
7038 {
7039 $height += 45;
7040 if ($native)
7041 {
7042 $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>";
7043 }
7044 else
7045 {
7046 $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>";
7047 }
7048 }
7049
7050 // Everything else
7051 else $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>';
7052
7053 return $embed;
7054 }
7055
7056 function get_real_type($find_handler = false)
7057 {
7058 // If it's Odeo, let's get it out of the way.
7059 if (substr(strtolower($this->get_link()), 0, 15) == 'http://odeo.com')
7060 {
7061 return 'odeo';
7062 }
7063
7064 // Mime-types by handler.
7065 $types_flash = array('application/x-shockwave-flash', 'application/futuresplash'); // Flash
7066 $types_fmedia = array('video/flv', 'video/x-flv'); // Flash Media Player
7067 $types_quicktime = array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video'); // QuickTime
7068 $types_wmedia = array('application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx'); // Windows Media
7069 $types_mp3 = array('audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg'); // MP3
7070
7071 if ($this->get_type() !== null)
7072 {
7073 $type = strtolower($this->type);
7074 }
7075 else
7076 {
7077 $type = null;
7078 }
7079
7080 // If we encounter an unsupported mime-type, check the file extension and guess intelligently.
7081 if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3)))
7082 {
7083 switch (strtolower($this->get_extension()))
7084 {
7085 // Audio mime-types
7086 case 'aac':
7087 case 'adts':
7088 $type = 'audio/acc';
7089 break;
7090
7091 case 'aif':
7092 case 'aifc':
7093 case 'aiff':
7094 case 'cdda':
7095 $type = 'audio/aiff';
7096 break;
7097
7098 case 'bwf':
7099 $type = 'audio/wav';
7100 break;
7101
7102 case 'kar':
7103 case 'mid':
7104 case 'midi':
7105 case 'smf':
7106 $type = 'audio/midi';
7107 break;
7108
7109 case 'm4a':
7110 $type = 'audio/x-m4a';
7111 break;
7112
7113 case 'mp3':
7114 case 'swa':
7115 $type = 'audio/mp3';
7116 break;
7117
7118 case 'wav':
7119 $type = 'audio/wav';
7120 break;
7121
7122 case 'wax':
7123 $type = 'audio/x-ms-wax';
7124 break;
7125
7126 case 'wma':
7127 $type = 'audio/x-ms-wma';
7128 break;
7129
7130 // Video mime-types
7131 case '3gp':
7132 case '3gpp':
7133 $type = 'video/3gpp';
7134 break;
7135
7136 case '3g2':
7137 case '3gp2':
7138 $type = 'video/3gpp2';
7139 break;
7140
7141 case 'asf':
7142 $type = 'video/x-ms-asf';
7143 break;
7144
7145 case 'flv':
7146 $type = 'video/x-flv';
7147 break;
7148
7149 case 'm1a':
7150 case 'm1s':
7151 case 'm1v':
7152 case 'm15':
7153 case 'm75':
7154 case 'mp2':
7155 case 'mpa':
7156 case 'mpeg':
7157 case 'mpg':
7158 case 'mpm':
7159 case 'mpv':
7160 $type = 'video/mpeg';
7161 break;
7162
7163 case 'm4v':
7164 $type = 'video/x-m4v';
7165 break;
7166
7167 case 'mov':
7168 case 'qt':
7169 $type = 'video/quicktime';
7170 break;
7171
7172 case 'mp4':
7173 case 'mpg4':
7174 $type = 'video/mp4';
7175 break;
7176
7177 case 'sdv':
7178 $type = 'video/sd-video';
7179 break;
7180
7181 case 'wm':
7182 $type = 'video/x-ms-wm';
7183 break;
7184
7185 case 'wmv':
7186 $type = 'video/x-ms-wmv';
7187 break;
7188
7189 case 'wvx':
7190 $type = 'video/x-ms-wvx';
7191 break;
7192
7193 // Flash mime-types
7194 case 'spl':
7195 $type = 'application/futuresplash';
7196 break;
7197
7198 case 'swf':
7199 $type = 'application/x-shockwave-flash';
7200 break;
7201 }
7202 }
7203
7204 if ($find_handler)
7205 {
7206 if (in_array($type, $types_flash))
7207 {
7208 return 'flash';
7209 }
7210 elseif (in_array($type, $types_fmedia))
7211 {
7212 return 'fmedia';
7213 }
7214 elseif (in_array($type, $types_quicktime))
7215 {
7216 return 'quicktime';
7217 }
7218 elseif (in_array($type, $types_wmedia))
7219 {
7220 return 'wmedia';
7221 }
7222 elseif (in_array($type, $types_mp3))
7223 {
7224 return 'mp3';
7225 }
7226 else
7227 {
7228 return null;
7229 }
7230 }
7231 else
7232 {
7233 return $type;
7234 }
7235 }
7236 }
7237
7238 class SimplePie_Caption
7239 {
7240 var $type;
7241 var $lang;
7242 var $startTime;
7243 var $endTime;
7244 var $text;
7245
7246 // Constructor, used to input the data
7247 function SimplePie_Caption($type = null, $lang = null, $startTime = null, $endTime = null, $text = null)
7248 {
7249 $this->type = $type;
7250 $this->lang = $lang;
7251 $this->startTime = $startTime;
7252 $this->endTime = $endTime;
7253 $this->text = $text;
7254 }
7255
7256 function __toString()
7257 {
7258 // There is no $this->data here
7259 return md5(serialize($this));
7260 }
7261
7262 function get_endtime()
7263 {
7264 if ($this->endTime !== null)
7265 {
7266 return $this->endTime;
7267 }
7268 else
7269 {
7270 return null;
7271 }
7272 }
7273
7274 function get_language()
7275 {
7276 if ($this->lang !== null)
7277 {
7278 return $this->lang;
7279 }
7280 else
7281 {
7282 return null;
7283 }
7284 }
7285
7286 function get_starttime()
7287 {
7288 if ($this->startTime !== null)
7289 {
7290 return $this->startTime;
7291 }
7292 else
7293 {
7294 return null;
7295 }
7296 }
7297
7298 function get_text()
7299 {
7300 if ($this->text !== null)
7301 {
7302 return $this->text;
7303 }
7304 else
7305 {
7306 return null;
7307 }
7308 }
7309
7310 function get_type()
7311 {
7312 if ($this->type !== null)
7313 {
7314 return $this->type;
7315 }
7316 else
7317 {
7318 return null;
7319 }
7320 }
7321 }
7322
7323 class SimplePie_Credit
7324 {
7325 var $role;
7326 var $scheme;
7327 var $name;
7328
7329 // Constructor, used to input the data
7330 function SimplePie_Credit($role = null, $scheme = null, $name = null)
7331 {
7332 $this->role = $role;
7333 $this->scheme = $scheme;
7334 $this->name = $name;
7335 }
7336
7337 function __toString()
7338 {
7339 // There is no $this->data here
7340 return md5(serialize($this));
7341 }
7342
7343 function get_role()
7344 {
7345 if ($this->role !== null)
7346 {
7347 return $this->role;
7348 }
7349 else
7350 {
7351 return null;
7352 }
7353 }
7354
7355 function get_scheme()
7356 {
7357 if ($this->scheme !== null)
7358 {
7359 return $this->scheme;
7360 }
7361 else
7362 {
7363 return null;
7364 }
7365 }
7366
7367 function get_name()
7368 {
7369 if ($this->name !== null)
7370 {
7371 return $this->name;
7372 }
7373 else
7374 {
7375 return null;
7376 }
7377 }
7378 }
7379
7380 class SimplePie_Copyright
7381 {
7382 var $url;
7383 var $label;
7384
7385 // Constructor, used to input the data
7386 function SimplePie_Copyright($url = null, $label = null)
7387 {
7388 $this->url = $url;
7389 $this->label = $label;
7390 }
7391
7392 function __toString()
7393 {
7394 // There is no $this->data here
7395 return md5(serialize($this));
7396 }
7397
7398 function get_url()
7399 {
7400 if ($this->url !== null)
7401 {
7402 return $this->url;
7403 }
7404 else
7405 {
7406 return null;
7407 }
7408 }
7409
7410 function get_attribution()
7411 {
7412 if ($this->label !== null)
7413 {
7414 return $this->label;
7415 }
7416 else
7417 {
7418 return null;
7419 }
7420 }
7421 }
7422
7423 class SimplePie_Rating
7424 {
7425 var $scheme;
7426 var $value;
7427
7428 // Constructor, used to input the data
7429 function SimplePie_Rating($scheme = null, $value = null)
7430 {
7431 $this->scheme = $scheme;
7432 $this->value = $value;
7433 }
7434
7435 function __toString()
7436 {
7437 // There is no $this->data here
7438 return md5(serialize($this));
7439 }
7440
7441 function get_scheme()
7442 {
7443 if ($this->scheme !== null)
7444 {
7445 return $this->scheme;
7446 }
7447 else
7448 {
7449 return null;
7450 }
7451 }
7452
7453 function get_value()
7454 {
7455 if ($this->value !== null)
7456 {
7457 return $this->value;
7458 }
7459 else
7460 {
7461 return null;
7462 }
7463 }
7464 }
7465
7466 class SimplePie_Restriction
7467 {
7468 var $relationship;
7469 var $type;
7470 var $value;
7471
7472 // Constructor, used to input the data
7473 function SimplePie_Restriction($relationship = null, $type = null, $value = null)
7474 {
7475 $this->relationship = $relationship;
7476 $this->type = $type;
7477 $this->value = $value;
7478 }
7479
7480 function __toString()
7481 {
7482 // There is no $this->data here
7483 return md5(serialize($this));
7484 }
7485
7486 function get_relationship()
7487 {
7488 if ($this->relationship !== null)
7489 {
7490 return $this->relationship;
7491 }
7492 else
7493 {
7494 return null;
7495 }
7496 }
7497
7498 function get_type()
7499 {
7500 if ($this->type !== null)
7501 {
7502 return $this->type;
7503 }
7504 else
7505 {
7506 return null;
7507 }
7508 }
7509
7510 function get_value()
7511 {
7512 if ($this->value !== null)
7513 {
7514 return $this->value;
7515 }
7516 else
7517 {
7518 return null;
7519 }
7520 }
7521 }
7522
7523 /**
7524 * @todo Move to properly supporting RFC2616 (HTTP/1.1)
7525 */
7526 class SimplePie_File
7527 {
7528 var $url;
7529 var $useragent;
7530 var $success = true;
7531 var $headers = array();
7532 var $body;
7533 var $status_code;
7534 var $redirects = 0;
7535 var $error;
7536 var $method = SIMPLEPIE_FILE_SOURCE_NONE;
7537
7538 function SimplePie_File($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false)
7539 {
7540 if (class_exists('idna_convert'))
7541 {
7542 $idn =& new idna_convert;
7543 $parsed = SimplePie_Misc::parse_url($url);
7544 $url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
7545 }
7546 $this->url = $url;
7547 $this->useragent = $useragent;
7548 if (preg_match('/^http(s)?:\/\//i', $url))
7549 {
7550 if ($useragent === null)
7551 {
7552 $useragent = ini_get('user_agent');
7553 $this->useragent = $useragent;
7554 }
7555 if (!is_array($headers))
7556 {
7557 $headers = array();
7558 }
7559 if (!$force_fsockopen && function_exists('curl_exec'))
7560 {
7561 $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL;
7562 $fp = curl_init();
7563 $headers2 = array();
7564 foreach ($headers as $key => $value)
7565 {
7566 $headers2[] = "$key: $value";
7567 }
7568 if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>='))
7569 {
7570 curl_setopt($fp, CURLOPT_ENCODING, '');
7571 }
7572 curl_setopt($fp, CURLOPT_URL, $url);
7573 curl_setopt($fp, CURLOPT_HEADER, 1);
7574 curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1);
7575 curl_setopt($fp, CURLOPT_TIMEOUT, $timeout);
7576 curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout);
7577 curl_setopt($fp, CURLOPT_REFERER, $url);
7578 curl_setopt($fp, CURLOPT_USERAGENT, $useragent);
7579 curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2);
7580 if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>='))
7581 {
7582 curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1);
7583 curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects);
7584 }
7585
7586 curl_setopt($fp, CURLOPT_SSL_VERIFYPEER, false);
7587 curl_setopt($fp, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
7588
7589 $this->headers = curl_exec($fp);
7590 if (curl_errno($fp) == 23 || curl_errno($fp) == 61)
7591 {
7592 curl_setopt($fp, CURLOPT_ENCODING, 'none');
7593 $this->headers = curl_exec($fp);
7594 }
7595 if (curl_errno($fp))
7596 {
7597 $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp);
7598 $this->success = false;
7599 }
7600 else
7601 {
7602 $info = curl_getinfo($fp);
7603 curl_close($fp);
7604 $this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1);
7605 $this->headers = array_pop($this->headers);
7606 $parser =& new SimplePie_HTTP_Parser($this->headers);
7607 if ($parser->parse())
7608 {
7609 $this->headers = $parser->headers;
7610 $this->body = $parser->body;
7611 $this->status_code = $parser->status_code;
7612 if (($this->status_code == 300 || $this->status_code == 301 || $this->status_code == 302 || $this->status_code == 303 || $this->status_code == 307 || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
7613 {
7614 $this->redirects++;
7615 $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
7616 return $this->SimplePie_File($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
7617 }
7618 }
7619 }
7620 }
7621 else
7622 {
7623 $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN;
7624 $url_parts = parse_url($url);
7625 if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) == 'https')
7626 {
7627 $url_parts['host'] = "ssl://$url_parts[host]";
7628 $url_parts['port'] = 443;
7629 }
7630 if (!isset($url_parts['port']))
7631 {
7632 $url_parts['port'] = 80;
7633 }
7634 $fp = @fsockopen($url_parts['host'], $url_parts['port'], $errno, $errstr, $timeout);
7635 if (!$fp)
7636 {
7637 $this->error = 'fsockopen error: ' . $errstr;
7638 $this->success = false;
7639 }
7640 else
7641 {
7642 stream_set_timeout($fp, $timeout);
7643 if (isset($url_parts['path']))
7644 {
7645 if (isset($url_parts['query']))
7646 {
7647 $get = "$url_parts[path]?$url_parts[query]";
7648 }
7649 else
7650 {
7651 $get = $url_parts['path'];
7652 }
7653 }
7654 else
7655 {
7656 $get = '/';
7657 }
7658 $out = "GET $get HTTP/1.0\r\n";
7659 $out .= "Host: $url_parts[host]\r\n";
7660 $out .= "User-Agent: $useragent\r\n";
7661 if (function_exists('gzinflate'))
7662 {
7663 $out .= "Accept-Encoding: gzip,deflate\r\n";
7664 }
7665
7666 if (isset($url_parts['user']) && isset($url_parts['pass']))
7667 {
7668 $out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n";
7669 }
7670 foreach ($headers as $key => $value)
7671 {
7672 $out .= "$key: $value\r\n";
7673 }
7674 $out .= "Connection: Close\r\n\r\n";
7675 fwrite($fp, $out);
7676
7677 $info = stream_get_meta_data($fp);
7678
7679 $this->headers = '';
7680 while (!$info['eof'] && !$info['timed_out'])
7681 {
7682 $this->headers .= fread($fp, 1160);
7683 $info = stream_get_meta_data($fp);
7684 }
7685 if (!$info['timed_out'])
7686 {
7687 $parser =& new SimplePie_HTTP_Parser($this->headers);
7688 if ($parser->parse())
7689 {
7690 $this->headers = $parser->headers;
7691 $this->body = $parser->body;
7692 $this->status_code = $parser->status_code;
7693 if (($this->status_code == 300 || $this->status_code == 301 || $this->status_code == 302 || $this->status_code == 303 || $this->status_code == 307 || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects)
7694 {
7695 $this->redirects++;
7696 $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url);
7697 return $this->SimplePie_File($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen);
7698 }
7699 if (isset($this->headers['content-encoding']) && ($this->headers['content-encoding'] == 'gzip' || $this->headers['content-encoding'] == 'deflate'))
7700 {
7701 if (substr($this->body, 0, 8) == "\x1f\x8b\x08\x00\x00\x00\x00\x00")
7702 {
7703 $this->body = substr($this->body, 10);
7704 }
7705 $this->body = gzinflate($this->body);
7706 }
7707 }
7708 }
7709 else
7710 {
7711 $this->error = 'fsocket timed out';
7712 $this->success = false;
7713 }
7714 fclose($fp);
7715 }
7716 }
7717 }
7718 else
7719 {
7720 $this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS;
7721 if (!$this->body = file_get_contents($url))
7722 {
7723 $this->error = 'file_get_contents could not read the file';
7724 $this->success = false;
7725 }
7726 }
7727 }
7728 }
7729
7730 /**
7731 * HTTP Response Parser
7732 *
7733 * @package SimplePie
7734 */
7735 class SimplePie_HTTP_Parser
7736 {
7737 /**
7738 * HTTP Version
7739 *
7740 * @access public
7741 * @var float
7742 */
7743 var $http_version = 0.0;
7744
7745 /**
7746 * Status code
7747 *
7748 * @access public
7749 * @var int
7750 */
7751 var $status_code = 0;
7752
7753 /**
7754 * Reason phrase
7755 *
7756 * @access public
7757 * @var string
7758 */
7759 var $reason = '';
7760
7761 /**
7762 * Key/value pairs of the headers
7763 *
7764 * @access public
7765 * @var array
7766 */
7767 var $headers = array();
7768
7769 /**
7770 * Body of the response
7771 *
7772 * @access public
7773 * @var string
7774 */
7775 var $body = '';
7776
7777 /**
7778 * Current state of the state machine
7779 *
7780 * @access private
7781 * @var string
7782 */
7783 var $state = 'http_version';
7784
7785 /**
7786 * Input data
7787 *
7788 * @access private
7789 * @var string
7790 */
7791 var $data = '';
7792
7793 /**
7794 * Input data length (to avoid calling strlen() everytime this is needed)
7795 *
7796 * @access private
7797 * @var int
7798 */
7799 var $data_length = 0;
7800
7801 /**
7802 * Current position of the pointer
7803 *
7804 * @var int
7805 * @access private
7806 */
7807 var $position = 0;
7808
7809 /**
7810 * Name of the hedaer currently being parsed
7811 *
7812 * @access private
7813 * @var string
7814 */
7815 var $name = '';
7816
7817 /**
7818 * Value of the hedaer currently being parsed
7819 *
7820 * @access private
7821 * @var string
7822 */
7823 var $value = '';
7824
7825 /**
7826 * Create an instance of the class with the input data
7827 *
7828 * @access public
7829 * @param string $data Input data
7830 */
7831 function SimplePie_HTTP_Parser($data)
7832 {
7833 $this->data = $data;
7834 $this->data_length = strlen($this->data);
7835 }
7836
7837 /**
7838 * Parse the input data
7839 *
7840 * @access public
7841 * @return bool true on success, false on failure
7842 */
7843 function parse()
7844 {
7845 while ($this->state && $this->state !== 'emit' && $this->has_data())
7846 {
7847 $state = $this->state;
7848 $this->$state();
7849 }
7850 $this->data = '';
7851 if ($this->state === 'emit')
7852 {
7853 return true;
7854 }
7855 else
7856 {
7857 $this->http_version = '';
7858 $this->status_code = '';
7859 $this->reason = '';
7860 $this->headers = array();
7861 $this->body = '';
7862 return false;
7863 }
7864 }
7865
7866 /**
7867 * Check whether there is data beyond the pointer
7868 *
7869 * @access private
7870 * @return bool true if there is further data, false if not
7871 */
7872 function has_data()
7873 {
7874 return (bool) ($this->position < $this->data_length);
7875 }
7876
7877 /**
7878 * See if the next character is LWS
7879 *
7880 * @access private
7881 * @return bool true if the next character is LWS, false if not
7882 */
7883 function is_linear_whitespace()
7884 {
7885 return (bool) ($this->data[$this->position] === "\x09"
7886 || $this->data[$this->position] === "\x20"
7887 || ($this->data[$this->position] === "\x0A"
7888 && isset($this->data[$this->position + 1])
7889 && ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20")));
7890 }
7891
7892 /**
7893 * Parse the HTTP version
7894 *
7895 * @access private
7896 */
7897 function http_version()
7898 {
7899 if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/')
7900 {
7901 $len = strspn($this->data, '0123456789.', 5);
7902 $this->http_version = substr($this->data, 5, $len);
7903 $this->position += 5 + $len;
7904 if (substr_count($this->http_version, '.') <= 1)
7905 {
7906 $this->http_version = (float) $this->http_version;
7907 $this->position += strspn($this->data, "\x09\x20", $this->position);
7908 $this->state = 'status';
7909 }
7910 else
7911 {
7912 $this->state = false;
7913 }
7914 }
7915 else
7916 {
7917 $this->state = false;
7918 }
7919 }
7920
7921 /**
7922 * Parse the status code
7923 *
7924 * @access private
7925 */
7926 function status()
7927 {
7928 if ($len = strspn($this->data, '0123456789', $this->position))
7929 {
7930 $this->status_code = (int) substr($this->data, $this->position, $len);
7931 $this->position += $len;
7932 $this->state = 'reason';
7933 }
7934 else
7935 {
7936 $this->state = false;
7937 }
7938 }
7939
7940 /**
7941 * Parse the reason phrase
7942 *
7943 * @access private
7944 */
7945 function reason()
7946 {
7947 $len = strcspn($this->data, "\x0A", $this->position);
7948 $this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20");
7949 $this->position += $len + 1;
7950 $this->state = 'new_line';
7951 }
7952
7953 /**
7954 * Deal with a new line, shifting data around as needed
7955 *
7956 * @access private
7957 */
7958 function new_line()
7959 {
7960 $this->value = trim($this->value, "\x0D\x20");
7961 if ($this->name !== '' && $this->value !== '')
7962 {
7963 $this->name = strtolower($this->name);
7964 if (isset($this->headers[$this->name]))
7965 {
7966 $this->headers[$this->name] .= ', ' . $this->value;
7967 }
7968 else
7969 {
7970 $this->headers[$this->name] = $this->value;
7971 }
7972 }
7973 $this->name = '';
7974 $this->value = '';
7975 if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A")
7976 {
7977 $this->position += 2;
7978 $this->state = 'body';
7979 }
7980 elseif ($this->data[$this->position] === "\x0A")
7981 {
7982 $this->position++;
7983 $this->state = 'body';
7984 }
7985 else
7986 {
7987 $this->state = 'name';
7988 }
7989 }
7990
7991 /**
7992 * Parse a header name
7993 *
7994 * @access private
7995 */
7996 function name()
7997 {
7998 $len = strcspn($this->data, "\x0A:", $this->position);
7999 if (isset($this->data[$this->position + $len]))
8000 {
8001 if ($this->data[$this->position + $len] === "\x0A")
8002 {
8003 $this->position += $len;
8004 $this->state = 'new_line';
8005 }
8006 else
8007 {
8008 $this->name = substr($this->data, $this->position, $len);
8009 $this->position += $len + 1;
8010 $this->state = 'value';
8011 }
8012 }
8013 else
8014 {
8015 $this->state = false;
8016 }
8017 }
8018
8019 /**
8020 * Parse LWS, replacing consecutive LWS characters with a single space
8021 *
8022 * @access private
8023 */
8024 function linear_whitespace()
8025 {
8026 do
8027 {
8028 if (substr($this->data, $this->position, 2) === "\x0D\x0A")
8029 {
8030 $this->position += 2;
8031 }
8032 elseif ($this->data[$this->position] === "\x0A")
8033 {
8034 $this->position++;
8035 }
8036 $this->position += strspn($this->data, "\x09\x20", $this->position);
8037 } while ($this->has_data() && $this->is_linear_whitespace());
8038 $this->value .= "\x20";
8039 }
8040
8041 /**
8042 * See what state to move to while within non-quoted header values
8043 *
8044 * @access private
8045 */
8046 function value()
8047 {
8048 if ($this->is_linear_whitespace())
8049 {
8050 $this->linear_whitespace();
8051 }
8052 else
8053 {
8054 switch ($this->data[$this->position])
8055 {
8056 case '"':
8057 $this->position++;
8058 $this->state = 'quote';
8059 break;
8060
8061 case "\x0A":
8062 $this->position++;
8063 $this->state = 'new_line';
8064 break;
8065
8066 default:
8067 $this->state = 'value_char';
8068 break;
8069 }
8070 }
8071 }
8072
8073 /**
8074 * Parse a header value while outside quotes
8075 *
8076 * @access private
8077 */
8078 function value_char()
8079 {
8080 $len = strcspn($this->data, "\x09\x20\x0A\"", $this->position);
8081 $this->value .= substr($this->data, $this->position, $len);
8082 $this->position += $len;
8083 $this->state = 'value';
8084 }
8085
8086 /**
8087 * See what state to move to while within quoted header values
8088 *
8089 * @access private
8090 */
8091 function quote()
8092 {
8093 if ($this->is_linear_whitespace())
8094 {
8095 $this->linear_whitespace();
8096 }
8097 else
8098 {
8099 switch ($this->data[$this->position])
8100 {
8101 case '"':
8102 $this->position++;
8103 $this->state = 'value';
8104 break;
8105
8106 case "\x0A":
8107 $this->position++;
8108 $this->state = 'new_line';
8109 break;
8110
8111 case '\\':
8112 $this->position++;
8113 $this->state = 'quote_escaped';
8114 break;
8115
8116 default:
8117 $this->state = 'quote_char';
8118 break;
8119 }
8120 }
8121 }
8122
8123 /**
8124 * Parse a header value while within quotes
8125 *
8126 * @access private
8127 */
8128 function quote_char()
8129 {
8130 $len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position);
8131 $this->value .= substr($this->data, $this->position, $len);
8132 $this->position += $len;
8133 $this->state = 'value';
8134 }
8135
8136 /**
8137 * Parse an escaped character within quotes
8138 *
8139 * @access private
8140 */
8141 function quote_escaped()
8142 {
8143 $this->value .= $this->data[$this->position];
8144 $this->position++;
8145 $this->state = 'quote';
8146 }
8147
8148 /**
8149 * Parse the body
8150 *
8151 * @access private
8152 */
8153 function body()
8154 {
8155 $this->body = substr($this->data, $this->position);
8156 $this->state = 'emit';
8157 }
8158 }
8159
8160 class SimplePie_Cache
8161 {
8162 /**
8163 * Don't call the constructor. Please.
8164 *
8165 * @access private
8166 */
8167 function SimplePie_Cache()
8168 {
8169 trigger_error('Please call SimplePie_Cache::create() instead of the constructor', E_USER_ERROR);
8170 }
8171
8172 /**
8173 * Create a new SimplePie_Cache object
8174 *
8175 * @static
8176 * @access public
8177 */
8178 function create($location, $filename, $extension)
8179 {
8180 return new SimplePie_Cache_File($location, $filename, $extension);
8181 }
8182 }
8183
8184 class SimplePie_Cache_File
8185 {
8186 var $location;
8187 var $filename;
8188 var $extension;
8189 var $name;
8190
8191 function SimplePie_Cache_File($location, $filename, $extension)
8192 {
8193 $this->location = $location;
8194 $this->filename = rawurlencode($filename);
8195 $this->extension = rawurlencode($extension);
8196 $this->name = "$location/$this->filename.$this->extension";
8197 }
8198
8199 function save($data)
8200 {
8201 if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location))
8202 {
8203 if (is_a($data, 'SimplePie'))
8204 {
8205 $data = $data->data;
8206 }
8207
8208 $data = serialize($data);
8209
8210 if (function_exists('file_put_contents'))
8211 {
8212 return (bool) file_put_contents($this->name, $data);
8213 }
8214 else
8215 {
8216 $fp = fopen($this->name, 'wb');
8217 if ($fp)
8218 {
8219 fwrite($fp, $data);
8220 fclose($fp);
8221 return true;
8222 }
8223 }
8224 }
8225 return false;
8226 }
8227
8228 function load()
8229 {
8230 if (file_exists($this->name) && is_readable($this->name))
8231 {
8232 return unserialize(file_get_contents($this->name));
8233 }
8234 return false;
8235 }
8236
8237 function mtime()
8238 {
8239 if (file_exists($this->name))
8240 {
8241 return filemtime($this->name);
8242 }
8243 return false;
8244 }
8245
8246 function touch()
8247 {
8248 if (file_exists($this->name))
8249 {
8250 return touch($this->name);
8251 }
8252 return false;
8253 }
8254
8255 function unlink()
8256 {
8257 if (file_exists($this->name))
8258 {
8259 return unlink($this->name);
8260 }
8261 return false;
8262 }
8263 }
8264
8265 class SimplePie_Misc
8266 {
8267 function time_hms($seconds)
8268 {
8269 $time = '';
8270
8271 $hours = floor($seconds / 3600);
8272 $remainder = $seconds % 3600;
8273 if ($hours > 0)
8274 {
8275 $time .= $hours.':';
8276 }
8277
8278 $minutes = floor($remainder / 60);
8279 $seconds = $remainder % 60;
8280 if ($minutes < 10 && $hours > 0)
8281 {
8282 $minutes = '0' . $minutes;
8283 }
8284 if ($seconds < 10)
8285 {
8286 $seconds = '0' . $seconds;
8287 }
8288
8289 $time .= $minutes.':';
8290 $time .= $seconds;
8291
8292 return $time;
8293 }
8294
8295 function absolutize_url($relative, $base)
8296 {
8297 if ($relative !== '')
8298 {
8299 $relative = SimplePie_Misc::parse_url($relative);
8300 if ($relative['scheme'] !== '')
8301 {
8302 $target = $relative;
8303 }
8304 elseif ($base !== '')
8305 {
8306 $base = SimplePie_Misc::parse_url($base);
8307 $target = SimplePie_Misc::parse_url('');
8308 if ($relative['authority'] !== '')
8309 {
8310 $target = $relative;
8311 $target['scheme'] = $base['scheme'];
8312 }
8313 else
8314 {
8315 $target['scheme'] = $base['scheme'];
8316 $target['authority'] = $base['authority'];
8317 if ($relative['path'] !== '')
8318 {
8319 if (strpos($relative['path'], '/') === 0)
8320 {
8321 $target['path'] = $relative['path'];
8322 }
8323 elseif ($base['authority'] !== '' && $base['path'] === '')
8324 {
8325 $target['path'] = '/' . $relative['path'];
8326 }
8327 elseif (($last_segment = strrpos($base['path'], '/')) !== false)
8328 {
8329 $target['path'] = substr($base['path'], 0, $last_segment + 1) . $relative['path'];
8330 }
8331 else
8332 {
8333 $target['path'] = $relative['path'];
8334 }
8335 $target['query'] = $relative['query'];
8336 }
8337 else
8338 {
8339 $target['path'] = $base['path'];
8340 if ($relative['query'] !== '')
8341 {
8342 $target['query'] = $relative['query'];
8343 }
8344 elseif ($base['query'] !== '')
8345 {
8346 $target['query'] = $base['query'];
8347 }
8348 }
8349 }
8350 $target['fragment'] = $relative['fragment'];
8351 }
8352 else
8353 {
8354 // No base URL, just return the relative URL
8355 $target = $relative;
8356 }
8357 $return = SimplePie_Misc::compress_parse_url($target['scheme'], $target['authority'], $target['path'], $target['query'], $target['fragment']);
8358 }
8359 else
8360 {
8361 $return = $base;
8362 }
8363 $return = SimplePie_Misc::normalize_url($return);
8364 return $return;
8365 }
8366
8367 function remove_dot_segments($input)
8368 {
8369 $output = '';
8370 while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input == '.' || $input == '..')
8371 {
8372 // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise,
8373 if (strpos($input, '../') === 0)
8374 {
8375 $input = substr($input, 3);
8376 }
8377 elseif (strpos($input, './') === 0)
8378 {
8379 $input = substr($input, 2);
8380 }
8381 // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise,
8382 elseif (strpos($input, '/./') === 0)
8383 {
8384 $input = substr_replace($input, '/', 0, 3);
8385 }
8386 elseif ($input == '/.')
8387 {
8388 $input = '/';
8389 }
8390 // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise,
8391 elseif (strpos($input, '/../') === 0)
8392 {
8393 $input = substr_replace($input, '/', 0, 4);
8394 $output = substr_replace($output, '', strrpos($output, '/'));
8395 }
8396 elseif ($input == '/..')
8397 {
8398 $input = '/';
8399 $output = substr_replace($output, '', strrpos($output, '/'));
8400 }
8401 // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise,
8402 elseif ($input == '.' || $input == '..')
8403 {
8404 $input = '';
8405 }
8406 // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer
8407 elseif (($pos = strpos($input, '/', 1)) !== false)
8408 {
8409 $output .= substr($input, 0, $pos);
8410 $input = substr_replace($input, '', 0, $pos);
8411 }
8412 else
8413 {
8414 $output .= $input;
8415 $input = '';
8416 }
8417 }
8418 return $output . $input;
8419 }
8420
8421 function get_element($realname, $string)
8422 {
8423 $return = array();
8424 $name = preg_quote($realname, '/');
8425 if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE))
8426 {
8427 for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++)
8428 {
8429 $return[$i]['tag'] = $realname;
8430 $return[$i]['full'] = $matches[$i][0][0];
8431 $return[$i]['offset'] = $matches[$i][0][1];
8432 if (strlen($matches[$i][3][0]) <= 2)
8433 {
8434 $return[$i]['self_closing'] = true;
8435 }
8436 else
8437 {
8438 $return[$i]['self_closing'] = false;
8439 $return[$i]['content'] = $matches[$i][4][0];
8440 }
8441 $return[$i]['attribs'] = array();
8442 if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER))
8443 {
8444 for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++)
8445 {
8446 if (count($attribs[$j]) == 2)
8447 {
8448 $attribs[$j][2] = $attribs[$j][1];
8449 }
8450 $return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]), 'UTF-8');
8451 }
8452 }
8453 }
8454 }
8455 return $return;
8456 }
8457
8458 function element_implode($element)
8459 {
8460 $full = "<$element[tag]";
8461 foreach ($element['attribs'] as $key => $value)
8462 {
8463 $key = strtolower($key);
8464 $full .= " $key=\"" . htmlspecialchars($value['data']) . '"';
8465 }
8466 if ($element['self_closing'])
8467 {
8468 $full .= ' />';
8469 }
8470 else
8471 {
8472 $full .= ">$element[content]</$element[tag]>";
8473 }
8474 return $full;
8475 }
8476
8477 function error($message, $level, $file, $line)
8478 {
8479 switch ($level)
8480 {
8481 case E_USER_ERROR:
8482 $note = 'PHP Error';
8483 break;
8484 case E_USER_WARNING:
8485 $note = 'PHP Warning';
8486 break;
8487 case E_USER_NOTICE:
8488 $note = 'PHP Notice';
8489 break;
8490 default:
8491 $note = 'Unknown Error';
8492 break;
8493 }
8494 error_log("$note: $message in $file on line $line", 0);
8495 return $message;
8496 }
8497
8498 /**
8499 * If a file has been cached, retrieve and display it.
8500 *
8501 * This is most useful for caching images (get_favicon(), etc.),
8502 * however it works for all cached files. This WILL NOT display ANY
8503 * file/image/page/whatever, but rather only display what has already
8504 * been cached by SimplePie.
8505 *
8506 * @access public
8507 * @see SimplePie::get_favicon()
8508 * @param str $identifier_url URL that is used to identify the content.
8509 * This may or may not be the actual URL of the live content.
8510 * @param str $cache_location Location of SimplePie's cache. Defaults
8511 * to './cache'.
8512 * @param str $cache_extension The file extension that the file was
8513 * cached with. Defaults to 'spc'.
8514 * @param str $cache_class Name of the cache-handling class being used
8515 * in SimplePie. Defaults to 'SimplePie_Cache', and should be left
8516 * as-is unless you've overloaded the class.
8517 * @param str $cache_name_function Obsolete. Exists for backwards
8518 * compatibility reasons only.
8519 */
8520 function display_cached_file($identifier_url, $cache_location = './cache', $cache_extension = 'spc', $cache_class = 'SimplePie_Cache', $cache_name_function = 'md5')
8521 {
8522 $cache = call_user_func(array($cache_class, 'create'), $cache_location, $identifier_url, $cache_extension);
8523
8524 if ($file = $cache->load())
8525 {
8526 if (isset($file['headers']['content-type']))
8527 {
8528 header('Content-type:' . $file['headers']['content-type']);
8529 }
8530 else
8531 {
8532 header('Content-type: application/octet-stream');
8533 }
8534 header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days
8535 echo $file['body'];
8536 exit;
8537 }
8538
8539 die('Cached file for ' . $identifier_url . ' cannot be found.');
8540 }
8541
8542 function fix_protocol($url, $http = 1)
8543 {
8544 $url = SimplePie_Misc::normalize_url($url);
8545 $parsed = SimplePie_Misc::parse_url($url);
8546 if ($parsed['scheme'] !== '' && $parsed['scheme'] != 'http' && $parsed['scheme'] != 'https')
8547 {
8548 return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http);
8549 }
8550
8551 if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url))
8552 {
8553 return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http);
8554 }
8555
8556 if ($http == 2 && $parsed['scheme'] !== '')
8557 {
8558 return "feed:$url";
8559 }
8560 elseif ($http == 3 && strtolower($parsed['scheme']) == 'http')
8561 {
8562 return substr_replace($url, 'podcast', 0, 4);
8563 }
8564 elseif ($http == 4 && strtolower($parsed['scheme']) == 'http')
8565 {
8566 return substr_replace($url, 'itpc', 0, 4);
8567 }
8568 else
8569 {
8570 return $url;
8571 }
8572 }
8573
8574 function parse_url($url)
8575 {
8576 static $cache = array();
8577 if (isset($cache[$url]))
8578 {
8579 return $cache[$url];
8580 }
8581 elseif (preg_match('/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/', $url, $match))
8582 {
8583 for ($i = count($match); $i <= 9; $i++)
8584 {
8585 $match[$i] = '';
8586 }
8587 return $cache[$url] = array('scheme' => $match[2], 'authority' => $match[4], 'path' => $match[5], 'query' => $match[7], 'fragment' => $match[9]);
8588 }
8589 else
8590 {
8591 return $cache[$url] = array('scheme' => '', 'authority' => '', 'path' => '', 'query' => '', 'fragment' => '');
8592 }
8593 }
8594
8595 function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '')
8596 {
8597 $return = '';
8598 if ($scheme !== '')
8599 {
8600 $return .= "$scheme:";
8601 }
8602 if ($authority !== '')
8603 {
8604 $return .= "//$authority";
8605 }
8606 if ($path !== '')
8607 {
8608 $return .= $path;
8609 }
8610 if ($query !== '')
8611 {
8612 $return .= "?$query";
8613 }
8614 if ($fragment !== '')
8615 {
8616 $return .= "#$fragment";
8617 }
8618 return $return;
8619 }
8620
8621 function normalize_url($url)
8622 {
8623 $url = preg_replace_callback('/%([0-9A-Fa-f]{2})/', array('SimplePie_Misc', 'percent_encoding_normalization'), $url);
8624 $url = SimplePie_Misc::parse_url($url);
8625 $url['scheme'] = strtolower($url['scheme']);
8626 if ($url['authority'] !== '')
8627 {
8628 $url['authority'] = strtolower($url['authority']);
8629 $url['path'] = SimplePie_Misc::remove_dot_segments($url['path']);
8630 }
8631 return SimplePie_Misc::compress_parse_url($url['scheme'], $url['authority'], $url['path'], $url['query'], $url['fragment']);
8632 }
8633
8634 function percent_encoding_normalization($match)
8635 {
8636 $integer = hexdec($match[1]);
8637 if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer == 0x2D || $integer == 0x2E || $integer == 0x5F || $integer == 0x7E)
8638 {
8639 return chr($integer);
8640 }
8641 else
8642 {
8643 return strtoupper($match[0]);
8644 }
8645 }
8646
8647 /**
8648 * Remove bad UTF-8 bytes
8649 *
8650 * PCRE Pattern to locate bad bytes in a UTF-8 string comes from W3C
8651 * FAQ: Multilingual Forms (modified to include full ASCII range)
8652 *
8653 * @author Geoffrey Sneddon
8654 * @see http://www.w3.org/International/questions/qa-forms-utf-8
8655 * @param string $str String to remove bad UTF-8 bytes from
8656 * @return string UTF-8 string
8657 */
8658 function utf8_bad_replace($str)
8659 {
8660 if (function_exists('iconv') && ($return = @iconv('UTF-8', 'UTF-8//IGNORE', $str)))
8661 {
8662 return $return;
8663 }
8664 elseif (function_exists('mb_convert_encoding') && ($return = @mb_convert_encoding($str, 'UTF-8', 'UTF-8')))
8665 {
8666 return $return;
8667 }
8668 elseif (preg_match_all('/(?:[\x00-\x7F]|[\xC2-\xDF][\x80-\xBF]|\xE0[\xA0-\xBF][\x80-\xBF]|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}|\xED[\x80-\x9F][\x80-\xBF]|\xF0[\x90-\xBF][\x80-\xBF]{2}|[\xF1-\xF3][\x80-\xBF]{3}|\xF4[\x80-\x8F][\x80-\xBF]{2})+/', $str, $matches))
8669 {
8670 return implode("\xEF\xBF\xBD", $matches[0]);
8671 }
8672 elseif ($str !== '')
8673 {
8674 return "\xEF\xBF\xBD";
8675 }
8676 else
8677 {
8678 return '';
8679 }
8680 }
8681
8682 /**
8683 * Converts a Windows-1252 encoded string to a UTF-8 encoded string
8684 *
8685 * @static
8686 * @access public
8687 * @param string $string Windows-1252 encoded string
8688 * @return string UTF-8 encoded string
8689 */
8690 function windows_1252_to_utf8($string)
8691 {
8692 static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF");
8693
8694 return strtr($string, $convert_table);
8695 }
8696
8697 function change_encoding($data, $input, $output)
8698 {
8699 $input = SimplePie_Misc::encoding($input);
8700 $output = SimplePie_Misc::encoding($output);
8701
8702 // We fail to fail on non US-ASCII bytes
8703 if ($input === 'US-ASCII')
8704 {
8705 static $non_ascii_octects = '';
8706 if (!$non_ascii_octects)
8707 {
8708 for ($i = 0x80; $i <= 0xFF; $i++)
8709 {
8710 $non_ascii_octects .= chr($i);
8711 }
8712 }
8713 $data = substr($data, 0, strcspn($data, $non_ascii_octects));
8714 }
8715
8716 if (function_exists('iconv') && ($return = @iconv($input, $output, $data)))
8717 {
8718 return $return;
8719 }
8720 elseif (function_exists('mb_convert_encoding') && ($return = @mb_convert_encoding($data, $output, $input)))
8721 {
8722 return $return;
8723 }
8724 elseif ($input == 'windows-1252' && $output == 'UTF-8')
8725 {
8726 return SimplePie_Misc::windows_1252_to_utf8($data);
8727 }
8728 elseif ($input == 'UTF-8' && $output == 'windows-1252')
8729 {
8730 return utf8_decode($data);
8731 }
8732 return $data;
8733 }
8734
8735 function encoding($encoding)
8736 {
8737 // Character sets are case-insensitive (though we'll return them in the form given in their registration)
8738 switch (strtoupper($encoding))
8739 {
8740 case 'ANSI_X3.110-1983':
8741 case 'CSA_T500-1983':
8742 case 'CSISO99NAPLPS':
8743 case 'ISO-IR-99':
8744 case 'NAPLPS':
8745 return 'ANSI_X3.110-1983';
8746
8747 case 'ARABIC7':
8748 case 'ASMO_449':
8749 case 'CSISO89ASMO449':
8750 case 'ISO-IR-89':
8751 case 'ISO_9036':
8752 return 'ASMO_449';
8753
8754 case 'ADOBE-STANDARD-ENCODING':
8755 case 'CSADOBESTANDARDENCODING':
8756 return 'Adobe-Standard-Encoding';
8757
8758 case 'ADOBE-SYMBOL-ENCODING':
8759 case 'CSHPPSMATH':
8760 return 'Adobe-Symbol-Encoding';
8761
8762 case 'AMI-1251':
8763 case 'AMI1251':
8764 case 'AMIGA-1251':
8765 case 'AMIGA1251':
8766 return 'Amiga-1251';
8767
8768 case 'BOCU-1':
8769 case 'CSBOCU-1':
8770 return 'BOCU-1';
8771
8772 case 'BRF':
8773 case 'CSBRF':
8774 return 'BRF';
8775
8776 case 'BS_4730':
8777 case 'CSISO4UNITEDKINGDOM':
8778 case 'GB':
8779 case 'ISO-IR-4':
8780 case 'ISO646-GB':
8781 case 'UK':
8782 return 'BS_4730';
8783
8784 case 'BS_VIEWDATA':
8785 case 'CSISO47BSVIEWDATA':
8786 case 'ISO-IR-47':
8787 return 'BS_viewdata';
8788
8789 case 'BIG5':
8790 case 'CSBIG5':
8791 return 'Big5';
8792
8793 case 'BIG5-HKSCS':
8794 return 'Big5-HKSCS';
8795
8796 case 'CESU-8':
8797 case 'CSCESU-8':
8798 return 'CESU-8';
8799
8800 case 'CA':
8801 case 'CSA7-1':
8802 case 'CSA_Z243.4-1985-1':
8803 case 'CSISO121CANADIAN1':
8804 case 'ISO-IR-121':
8805 case 'ISO646-CA':
8806 return 'CSA_Z243.4-1985-1';
8807
8808 case 'CSA7-2':
8809 case 'CSA_Z243.4-1985-2':
8810 case 'CSISO122CANADIAN2':
8811 case 'ISO-IR-122':
8812 case 'ISO646-CA2':
8813 return 'CSA_Z243.4-1985-2';
8814
8815 case 'CSA_Z243.4-1985-GR':
8816 case 'CSISO123CSAZ24341985GR':
8817 case 'ISO-IR-123':
8818 return 'CSA_Z243.4-1985-gr';
8819
8820 case 'CSISO139CSN369103':
8821 case 'CSN_369103':
8822 case 'ISO-IR-139':
8823 return 'CSN_369103';
8824
8825 case 'CSDECMCS':
8826 case 'DEC':
8827 case 'DEC-MCS':
8828 return 'DEC-MCS';
8829
8830 case 'CSISO21GERMAN':
8831 case 'DE':
8832 case 'DIN_66003':
8833 case 'ISO-IR-21':
8834 case 'ISO646-DE':
8835 return 'DIN_66003';
8836
8837 case 'CSISO646DANISH':
8838 case 'DK':
8839 case 'DS2089':
8840 case 'DS_2089':
8841 case 'ISO646-DK':
8842 return 'DS_2089';
8843
8844 case 'CSIBMEBCDICATDE':
8845 case 'EBCDIC-AT-DE':
8846 return 'EBCDIC-AT-DE';
8847
8848 case 'CSEBCDICATDEA':
8849 case 'EBCDIC-AT-DE-A':
8850 return 'EBCDIC-AT-DE-A';
8851
8852 case 'CSEBCDICCAFR':
8853 case 'EBCDIC-CA-FR':
8854 return 'EBCDIC-CA-FR';
8855
8856 case 'CSEBCDICDKNO':
8857 case 'EBCDIC-DK-NO':
8858 return 'EBCDIC-DK-NO';
8859
8860 case 'CSEBCDICDKNOA':
8861 case 'EBCDIC-DK-NO-A':
8862 return 'EBCDIC-DK-NO-A';
8863
8864 case 'CSEBCDICES':
8865 case 'EBCDIC-ES':
8866 return 'EBCDIC-ES';
8867
8868 case 'CSEBCDICESA':
8869 case 'EBCDIC-ES-A':
8870 return 'EBCDIC-ES-A';
8871
8872 case 'CSEBCDICESS':
8873 case 'EBCDIC-ES-S':
8874 return 'EBCDIC-ES-S';
8875
8876 case 'CSEBCDICFISE':
8877 case 'EBCDIC-FI-SE':
8878 return 'EBCDIC-FI-SE';
8879
8880 case 'CSEBCDICFISEA':
8881 case 'EBCDIC-FI-SE-A':
8882 return 'EBCDIC-FI-SE-A';
8883
8884 case 'CSEBCDICFR':
8885 case 'EBCDIC-FR':
8886 return 'EBCDIC-FR';
8887
8888 case 'CSEBCDICIT':
8889 case 'EBCDIC-IT':
8890 return 'EBCDIC-IT';
8891
8892 case 'CSEBCDICPT':
8893 case 'EBCDIC-PT':
8894 return 'EBCDIC-PT';
8895
8896 case 'CSEBCDICUK':
8897 case 'EBCDIC-UK':
8898 return 'EBCDIC-UK';
8899
8900 case 'CSEBCDICUS':
8901 case 'EBCDIC-US':
8902 return 'EBCDIC-US';
8903
8904 case 'CSISO111ECMACYRILLIC':
8905 case 'ECMA-CYRILLIC':
8906 case 'ISO-IR-111':
8907 case 'KOI8-E':
8908 return 'ECMA-cyrillic';
8909
8910 case 'CSISO17SPANISH':
8911 case 'ES':
8912 case 'ISO-IR-17':
8913 case 'ISO646-ES':
8914 return 'ES';
8915
8916 case 'CSISO85SPANISH2':
8917 case 'ES2':
8918 case 'ISO-IR-85':
8919 case 'ISO646-ES2':
8920 return 'ES2';
8921
8922 case 'CSEUCPKDFMTJAPANESE':
8923 case 'EUC-JP':
8924 case 'EXTENDED_UNIX_CODE_PACKED_FORMAT_FOR_JAPANESE':
8925 return 'EUC-JP';
8926
8927 case 'CSEUCKR':
8928 case 'EUC-KR':
8929 return 'EUC-KR';
8930
8931 case 'CSEUCFIXWIDJAPANESE':
8932 case 'EXTENDED_UNIX_CODE_FIXED_WIDTH_FOR_JAPANESE':
8933 return 'Extended_UNIX_Code_Fixed_Width_for_Japanese';
8934
8935 case 'GB18030':
8936 return 'GB18030';
8937
8938 case 'CSGB2312':
8939 case 'GB2312':
8940 return 'GB2312';
8941
8942 case 'CP936':
8943 case 'GBK':
8944 case 'MS936':
8945 case 'WINDOWS-936':
8946 return 'GBK';
8947
8948 case 'CN':
8949 case 'CSISO57GB1988':
8950 case 'GB_1988-80':
8951 case 'ISO-IR-57':
8952 case 'ISO646-CN':
8953 return 'GB_1988-80';
8954
8955 case 'CHINESE':
8956 case 'CSISO58GB231280':
8957 case 'GB_2312-80':
8958 case 'ISO-IR-58':
8959 return 'GB_2312-80';
8960
8961 case 'CSISO153GOST1976874':
8962 case 'GOST_19768-74':
8963 case 'ISO-IR-153':
8964 case 'ST_SEV_358-88':
8965 return 'GOST_19768-74';
8966
8967 case 'CSHPDESKTOP':
8968 case 'HP-DESKTOP':
8969 return 'HP-DeskTop';
8970
8971 case 'CSHPLEGAL':
8972 case 'HP-LEGAL':
8973 return 'HP-Legal';
8974
8975 case 'CSHPMATH8':
8976 case 'HP-MATH8':
8977 return 'HP-Math8';
8978
8979 case 'CSHPPIFONT':
8980 case 'HP-PI-FONT':
8981 return 'HP-Pi-font';
8982
8983 case 'HZ-GB-2312':
8984 return 'HZ-GB-2312';
8985
8986 case 'CSIBMSYMBOLS':
8987 case 'IBM-SYMBOLS':
8988 return 'IBM-Symbols';
8989
8990 case 'CSIBMTHAI':
8991 case 'IBM-THAI':
8992 return 'IBM-Thai';
8993
8994 case 'CCSID00858':
8995 case 'CP00858':
8996 case 'IBM00858':
8997 case 'PC-MULTILINGUAL-850+EURO':
8998 return 'IBM00858';
8999
9000 case 'CCSID00924':
9001 case 'CP00924':
9002 case 'EBCDIC-LATIN9--EURO':
9003 case 'IBM00924':
9004 return 'IBM00924';
9005
9006 case 'CCSID01140':
9007 case 'CP01140':
9008 case 'EBCDIC-US-37+EURO':
9009 case 'IBM01140':
9010 return 'IBM01140';
9011
9012 case 'CCSID01141':
9013 case 'CP01141':
9014 case 'EBCDIC-DE-273+EURO':
9015 case 'IBM01141':
9016 return 'IBM01141';
9017
9018 case 'CCSID01142':
9019 case 'CP01142':
9020 case 'EBCDIC-DK-277+EURO':
9021 case 'EBCDIC-NO-277+EURO':
9022 case 'IBM01142':
9023 return 'IBM01142';
9024
9025 case 'CCSID01143':
9026 case 'CP01143':
9027 case 'EBCDIC-FI-278+EURO':
9028 case 'EBCDIC-SE-278+EURO':
9029 case 'IBM01143':
9030 return 'IBM01143';
9031
9032 case 'CCSID01144':
9033 case 'CP01144':
9034 case 'EBCDIC-IT-280+EURO':
9035 case 'IBM01144':
9036 return 'IBM01144';
9037
9038 case 'CCSID01145':
9039 case 'CP01145':
9040 case 'EBCDIC-ES-284+EURO':
9041 case 'IBM01145':
9042 return 'IBM01145';
9043
9044 case 'CCSID01146':
9045 case 'CP01146':
9046 case 'EBCDIC-GB-285+EURO':
9047 case 'IBM01146':
9048 return 'IBM01146';
9049
9050 case 'CCSID01147':
9051 case 'CP01147':
9052 case 'EBCDIC-FR-297+EURO':
9053 case 'IBM01147':
9054 return 'IBM01147';
9055
9056 case 'CCSID01148':
9057 case 'CP01148':
9058 case 'EBCDIC-INTERNATIONAL-500+EURO':
9059 case 'IBM01148':
9060 return 'IBM01148';
9061
9062 case 'CCSID01149':
9063 case 'CP01149':
9064 case 'EBCDIC-IS-871+EURO':
9065 case 'IBM01149':
9066 return 'IBM01149';
9067
9068 case 'CP037':
9069 case 'CSIBM037':
9070 case 'EBCDIC-CP-CA':
9071 case 'EBCDIC-CP-NL':
9072 case 'EBCDIC-CP-US':
9073 case 'EBCDIC-CP-WT':
9074 case 'IBM037':
9075 return 'IBM037';
9076
9077 case 'CP038':
9078 case 'CSIBM038':
9079 case 'EBCDIC-INT':
9080 case 'IBM038':
9081 return 'IBM038';
9082
9083 case 'CP1026':
9084 case 'CSIBM1026':
9085 case 'IBM1026':
9086 return 'IBM1026';
9087
9088 case 'IBM-1047':
9089 case 'IBM1047':
9090 return 'IBM1047';
9091
9092 case 'CP273':
9093 case 'CSIBM273':
9094 case 'IBM273':
9095 return 'IBM273';
9096
9097 case 'CP274':
9098 case 'CSIBM274':
9099 case 'EBCDIC-BE':
9100 case 'IBM274':
9101 return 'IBM274';
9102
9103 case 'CP275':
9104 case 'CSIBM275':
9105 case 'EBCDIC-BR':
9106 case 'IBM275':
9107 return 'IBM275';
9108
9109 case 'CSIBM277':
9110 case 'EBCDIC-CP-DK':
9111 case 'EBCDIC-CP-NO':
9112 case 'IBM277':
9113 return 'IBM277';
9114
9115 case 'CP278':
9116 case 'CSIBM278':
9117 case 'EBCDIC-CP-FI':
9118 case 'EBCDIC-CP-SE':
9119 case 'IBM278':
9120 return 'IBM278';
9121
9122 case 'CP280':
9123 case 'CSIBM280':
9124 case 'EBCDIC-CP-IT':
9125 case 'IBM280':
9126 return 'IBM280';
9127
9128 case 'CP281':
9129 case 'CSIBM281':
9130 case 'EBCDIC-JP-E':
9131 case 'IBM281':
9132 return 'IBM281';
9133
9134 case 'CP284':
9135 case 'CSIBM284':
9136 case 'EBCDIC-CP-ES':
9137 case 'IBM284':
9138 return 'IBM284';
9139
9140 case 'CP285':
9141 case 'CSIBM285':
9142 case 'EBCDIC-CP-GB':
9143 case 'IBM285':
9144 return 'IBM285';
9145
9146 case 'CP290':
9147 case 'CSIBM290':
9148 case 'EBCDIC-JP-KANA':
9149 case 'IBM290':
9150 return 'IBM290';
9151
9152 case 'CP297':
9153 case 'CSIBM297':
9154 case 'EBCDIC-CP-FR':
9155 case 'IBM297':
9156 return 'IBM297';
9157
9158 case 'CP420':
9159 case 'CSIBM420':
9160 case 'EBCDIC-CP-AR1':
9161 case 'IBM420':
9162 return 'IBM420';
9163
9164 case 'CP423':
9165 case 'CSIBM423':
9166 case 'EBCDIC-CP-GR':
9167 case 'IBM423':
9168 return 'IBM423';
9169
9170 case 'CP424':
9171 case 'CSIBM424':
9172 case 'EBCDIC-CP-HE':
9173 case 'IBM424':
9174 return 'IBM424';
9175
9176 case '437':
9177 case 'CP437':
9178 case 'CSPC8CODEPAGE437':
9179 case 'IBM437':
9180 return 'IBM437';
9181
9182 case 'CP500':
9183 case 'CSIBM500':
9184 case 'EBCDIC-CP-BE':
9185 case 'EBCDIC-CP-CH':
9186 case 'IBM500':
9187 return 'IBM500';
9188
9189 case 'CP775':
9190 case 'CSPC775BALTIC':
9191 case 'IBM775':
9192 return 'IBM775';
9193
9194 case '850':
9195 case 'CP850':
9196 case 'CSPC850MULTILINGUAL':
9197 case 'IBM850':
9198 return 'IBM850';
9199
9200 case '851':
9201 case 'CP851':
9202 case 'CSIBM851':
9203 case 'IBM851':
9204 return 'IBM851';
9205
9206 case '852':
9207 case 'CP852':
9208 case 'CSPCP852':
9209 case 'IBM852':
9210 return 'IBM852';
9211
9212 case '855':
9213 case 'CP855':
9214 case 'CSIBM855':
9215 case 'IBM855':
9216 return 'IBM855';
9217
9218 case '857':
9219 case 'CP857':
9220 case 'CSIBM857':
9221 case 'IBM857':
9222 return 'IBM857';
9223
9224 case '860':
9225 case 'CP860':
9226 case 'CSIBM860':
9227 case 'IBM860':
9228 return 'IBM860';
9229
9230 case '861':
9231 case 'CP-IS':
9232 case 'CP861':
9233 case 'CSIBM861':
9234 case 'IBM861':
9235 return 'IBM861';
9236
9237 case '862':
9238 case 'CP862':
9239 case 'CSPC862LATINHEBREW':
9240 case 'IBM862':
9241 return 'IBM862';
9242
9243 case '863':
9244 case 'CP863':
9245 case 'CSIBM863':
9246 case 'IBM863':
9247 return 'IBM863';
9248
9249 case 'CP864':
9250 case 'CSIBM864':
9251 case 'IBM864':
9252 return 'IBM864';
9253
9254 case '865':
9255 case 'CP865':
9256 case 'CSIBM865':
9257 case 'IBM865':
9258 return 'IBM865';
9259
9260 case '866':
9261 case 'CP866':
9262 case 'CSIBM866':
9263 case 'IBM866':
9264 return 'IBM866';
9265
9266 case 'CP-AR':
9267 case 'CP868':
9268 case 'CSIBM868':
9269 case 'IBM868':
9270 return 'IBM868';
9271
9272 case '869':
9273 case 'CP-GR':
9274 case 'CP869':
9275 case 'CSIBM869':
9276 case 'IBM869':
9277 return 'IBM869';
9278
9279 case 'CP870':
9280 case 'CSIBM870':
9281 case 'EBCDIC-CP-ROECE':
9282 case 'EBCDIC-CP-YU':
9283 case 'IBM870':
9284 return 'IBM870';
9285
9286 case 'CP871':
9287 case 'CSIBM871':
9288 case 'EBCDIC-CP-IS':
9289 case 'IBM871':
9290 return 'IBM871';
9291
9292 case 'CP880':
9293 case 'CSIBM880':
9294 case 'EBCDIC-CYRILLIC':
9295 case 'IBM880':
9296 return 'IBM880';
9297
9298 case 'CP891':
9299 case 'CSIBM891':
9300 case 'IBM891':
9301 return 'IBM891';
9302
9303 case 'CP903':
9304 case 'CSIBM903':
9305 case 'IBM903':
9306 return 'IBM903';
9307
9308 case '904':
9309 case 'CP904':
9310 case 'CSIBBM904':
9311 case 'IBM904':
9312 return 'IBM904';
9313
9314 case 'CP905':
9315 case 'CSIBM905':
9316 case 'EBCDIC-CP-TR':
9317 case 'IBM905':
9318 return 'IBM905';
9319
9320 case 'CP918':
9321 case 'CSIBM918':
9322 case 'EBCDIC-CP-AR2':
9323 case 'IBM918':
9324 return 'IBM918';
9325
9326 case 'CSISO143IECP271':
9327 case 'IEC_P27-1':
9328 case 'ISO-IR-143':
9329 return 'IEC_P27-1';
9330
9331 case 'CSISO49INIS':
9332 case 'INIS':
9333 case 'ISO-IR-49':
9334 return 'INIS';
9335
9336 case 'CSISO50INIS8':
9337 case 'INIS-8':
9338 case 'ISO-IR-50':
9339 return 'INIS-8';
9340
9341 case 'CSISO51INISCYRILLIC':
9342 case 'INIS-CYRILLIC':
9343 case 'ISO-IR-51':
9344 return 'INIS-cyrillic';
9345
9346 case 'CSINVARIANT':
9347 case 'INVARIANT':
9348 return 'INVARIANT';
9349
9350 case 'ISO-10646-J-1':
9351 return 'ISO-10646-J-1';
9352
9353 case 'CSUNICODE':
9354 case 'ISO-10646-UCS-2':
9355 return 'ISO-10646-UCS-2';
9356
9357 case 'CSUCS4':
9358 case 'ISO-10646-UCS-4':
9359 return 'ISO-10646-UCS-4';
9360
9361 case 'CSUNICODEASCII':
9362 case 'ISO-10646-UCS-BASIC':
9363 return 'ISO-10646-UCS-Basic';
9364
9365 case 'CSISO10646UTF1':
9366 case 'ISO-10646-UTF-1':
9367 return 'ISO-10646-UTF-1';
9368
9369 case 'CSUNICODELATIN1':
9370 case 'ISO-10646':
9371 case 'ISO-10646-UNICODE-LATIN1':
9372 return 'ISO-10646-Unicode-Latin1';
9373
9374 case 'CSISO115481':
9375 case 'ISO-11548-1':
9376 case 'ISO_11548-1':
9377 case 'ISO_TR_11548-1':
9378 return 'ISO-11548-1';
9379
9380 case 'ISO-2022-CN':
9381 return 'ISO-2022-CN';
9382
9383 case 'ISO-2022-CN-EXT':
9384 return 'ISO-2022-CN-EXT';
9385
9386 case 'CSISO2022JP':
9387 case 'ISO-2022-JP':
9388 return 'ISO-2022-JP';
9389
9390 case 'CSISO2022JP2':
9391 case 'ISO-2022-JP-2':
9392 return 'ISO-2022-JP-2';
9393
9394 case 'CSISO2022KR':
9395 case 'ISO-2022-KR':
9396 return 'ISO-2022-KR';
9397
9398 case 'CSWINDOWS30LATIN1':
9399 case 'ISO-8859-1-WINDOWS-3.0-LATIN-1':
9400 return 'ISO-8859-1-Windows-3.0-Latin-1';
9401
9402 case 'CSWINDOWS31LATIN1':
9403 case 'ISO-8859-1-WINDOWS-3.1-LATIN-1':
9404 return 'ISO-8859-1-Windows-3.1-Latin-1';
9405
9406 case 'CSISOLATIN6':
9407 case 'ISO-8859-10':
9408 case 'ISO-IR-157':
9409 case 'ISO_8859-10:1992':
9410 case 'L6':
9411 case 'LATIN6':
9412 return 'ISO-8859-10';
9413
9414 case 'ISO-8859-13':
9415 return 'ISO-8859-13';
9416
9417 case 'ISO-8859-14':
9418 case 'ISO-CELTIC':
9419 case 'ISO-IR-199':
9420 case 'ISO_8859-14':
9421 case 'ISO_8859-14:1998':
9422 case 'L8':
9423 case 'LATIN8':
9424 return 'ISO-8859-14';
9425
9426 case 'ISO-8859-15':
9427 case 'ISO_8859-15':
9428 case 'LATIN-9':
9429 return 'ISO-8859-15';
9430
9431 case 'ISO-8859-16':
9432 case 'ISO-IR-226':
9433 case 'ISO_8859-16':
9434 case 'ISO_8859-16:2001':
9435 case 'L10':
9436 case 'LATIN10':
9437 return 'ISO-8859-16';
9438
9439 case 'CSISOLATIN2':
9440 case 'ISO-8859-2':
9441 case 'ISO-IR-101':
9442 case 'ISO_8859-2':
9443 case 'ISO_8859-2:1987':
9444 case 'L2':
9445 case 'LATIN2':
9446 return 'ISO-8859-2';
9447
9448 case 'CSWINDOWS31LATIN2':
9449 case 'ISO-8859-2-WINDOWS-LATIN-2':
9450 return 'ISO-8859-2-Windows-Latin-2';
9451
9452 case 'CSISOLATIN3':
9453 case 'ISO-8859-3':
9454 case 'ISO-IR-109':
9455 case 'ISO_8859-3':
9456 case 'ISO_8859-3:1988':
9457 case 'L3':
9458 case 'LATIN3':
9459 return 'ISO-8859-3';
9460
9461 case 'CSISOLATIN4':
9462 case 'ISO-8859-4':
9463 case 'ISO-IR-110':
9464 case 'ISO_8859-4':
9465 case 'ISO_8859-4:1988':
9466 case 'L4':
9467 case 'LATIN4':
9468 return 'ISO-8859-4';
9469
9470 case 'CSISOLATINCYRILLIC':
9471 case 'CYRILLIC':
9472 case 'ISO-8859-5':
9473 case 'ISO-IR-144':
9474 case 'ISO_8859-5':
9475 case 'ISO_8859-5:1988':
9476 return 'ISO-8859-5';
9477
9478 case 'ARABIC':
9479 case 'ASMO-708':
9480 case 'CSISOLATINARABIC':
9481 case 'ECMA-114':
9482 case 'ISO-8859-6':
9483 case 'ISO-IR-127':
9484 case 'ISO_8859-6':
9485 case 'ISO_8859-6:1987':
9486 return 'ISO-8859-6';
9487
9488 case 'CSISO88596E':
9489 case 'ISO-8859-6-E':
9490 case 'ISO_8859-6-E':
9491 return 'ISO-8859-6-E';
9492
9493 case 'CSISO88596I':
9494 case 'ISO-8859-6-I':
9495 case 'ISO_8859-6-I':
9496 return 'ISO-8859-6-I';
9497
9498 case 'CSISOLATINGREEK':
9499 case 'ECMA-118':
9500 case 'ELOT_928':
9501 case 'GREEK':
9502 case 'GREEK8':
9503 case 'ISO-8859-7':
9504 case 'ISO-IR-126':
9505 case 'ISO_8859-7':
9506 case 'ISO_8859-7:1987':
9507 return 'ISO-8859-7';
9508
9509 case 'CSISOLATINHEBREW':
9510 case 'HEBREW':
9511 case 'ISO-8859-8':
9512 case 'ISO-IR-138':
9513 case 'ISO_8859-8':
9514 case 'ISO_8859-8:1988':
9515 return 'ISO-8859-8';
9516
9517 case 'CSISO88598E':
9518 case 'ISO-8859-8-E':
9519 case 'ISO_8859-8-E':
9520 return 'ISO-8859-8-E';
9521
9522 case 'CSISO88598I':
9523 case 'ISO-8859-8-I':
9524 case 'ISO_8859-8-I':
9525 return 'ISO-8859-8-I';
9526
9527 case 'CSISOLATIN5':
9528 case 'ISO-8859-9':
9529 case 'ISO-IR-148':
9530 case 'ISO_8859-9':
9531 case 'ISO_8859-9:1989':
9532 case 'L5':
9533 case 'LATIN5':
9534 return 'ISO-8859-9';
9535
9536 case 'CSWINDOWS31LATIN5':
9537 case 'ISO-8859-9-WINDOWS-LATIN-5':
9538 return 'ISO-8859-9-Windows-Latin-5';
9539
9540 case 'CSUNICODEIBM1261':
9541 case 'ISO-UNICODE-IBM-1261':
9542 return 'ISO-Unicode-IBM-1261';
9543
9544 case 'CSUNICODEIBM1264':
9545 case 'ISO-UNICODE-IBM-1264':
9546 return 'ISO-Unicode-IBM-1264';
9547
9548 case 'CSUNICODEIBM1265':
9549 case 'ISO-UNICODE-IBM-1265':
9550 return 'ISO-Unicode-IBM-1265';
9551
9552 case 'CSUNICODEIBM1268':
9553 case 'ISO-UNICODE-IBM-1268':
9554 return 'ISO-Unicode-IBM-1268';
9555
9556 case 'CSUNICODEIBM1276':
9557 case 'ISO-UNICODE-IBM-1276':
9558 return 'ISO-Unicode-IBM-1276';
9559
9560 case 'CSISO10367BOX':
9561 case 'ISO-IR-155':
9562 case 'ISO_10367-BOX':
9563 return 'ISO_10367-box';
9564
9565 case 'CSISO2033':
9566 case 'E13B':
9567 case 'ISO-IR-98':
9568 case 'ISO_2033-1983':
9569 return 'ISO_2033-1983';
9570
9571 case 'CSISO5427CYRILLIC':
9572 case 'ISO-IR-37':
9573 case 'ISO_5427':
9574 return 'ISO_5427';
9575
9576 case 'ISO-IR-54':
9577 case 'ISO5427CYRILLIC1981':
9578 case 'ISO_5427:1981':
9579 return 'ISO_5427:1981';
9580
9581 case 'CSISO5428GREEK':
9582 case 'ISO-IR-55':
9583 case 'ISO_5428:1980':
9584 return 'ISO_5428:1980';
9585
9586 case 'CSISO646BASIC1983':
9587 case 'ISO_646.BASIC:1983':
9588 case 'REF':
9589 return 'ISO_646.basic:1983';
9590
9591 case 'CSISO2INTLREFVERSION':
9592 case 'IRV':
9593 case 'ISO-IR-2':
9594 case 'ISO_646.IRV:1983':
9595 return 'ISO_646.irv:1983';
9596
9597 case 'CSISO6937ADD':
9598 case 'ISO-IR-152':
9599 case 'ISO_6937-2-25':
9600 return 'ISO_6937-2-25';
9601
9602 case 'CSISOTEXTCOMM':
9603 case 'ISO-IR-142':
9604 case 'ISO_6937-2-ADD':
9605 return 'ISO_6937-2-add';
9606
9607 case 'CSISO8859SUPP':
9608 case 'ISO-IR-154':
9609 case 'ISO_8859-SUPP':
9610 case 'LATIN1-2-5':
9611 return 'ISO_8859-supp';
9612
9613 case 'CSISO15ITALIAN':
9614 case 'ISO-IR-15':
9615 case 'ISO646-IT':
9616 case 'IT':
9617 return 'IT';
9618
9619 case 'CSISO13JISC6220JP':
9620 case 'ISO-IR-13':
9621 case 'JIS_C6220-1969':
9622 case 'JIS_C6220-1969-JP':
9623 case 'KATAKANA':
9624 case 'X0201-7':
9625 return 'JIS_C6220-1969-jp';
9626
9627 case 'CSISO14JISC6220RO':
9628 case 'ISO-IR-14':
9629 case 'ISO646-JP':
9630 case 'JIS_C6220-1969-RO':
9631 case 'JP':
9632 return 'JIS_C6220-1969-ro';
9633
9634 case 'CSISO42JISC62261978':
9635 case 'ISO-IR-42':
9636 case 'JIS_C6226-1978':
9637 return 'JIS_C6226-1978';
9638
9639 case 'CSISO87JISX0208':
9640 case 'ISO-IR-87':
9641 case 'JIS_C6226-1983':
9642 case 'JIS_X0208-1983':
9643 case 'X0208':
9644 return 'JIS_C6226-1983';
9645
9646 case 'CSISO91JISC62291984A':
9647 case 'ISO-IR-91':
9648 case 'JIS_C6229-1984-A':
9649 case 'JP-OCR-A':
9650 return 'JIS_C6229-1984-a';
9651
9652 case 'CSISO92JISC62991984B':
9653 case 'ISO-IR-92':
9654 case 'ISO646-JP-OCR-B':
9655 case 'JIS_C6229-1984-B':
9656 case 'JP-OCR-B':
9657 return 'JIS_C6229-1984-b';
9658
9659 case 'CSISO93JIS62291984BADD':
9660 case 'ISO-IR-93':
9661 case 'JIS_C6229-1984-B-ADD':
9662 case 'JP-OCR-B-ADD':
9663 return 'JIS_C6229-1984-b-add';
9664
9665 case 'CSISO94JIS62291984HAND':
9666 case 'ISO-IR-94':
9667 case 'JIS_C6229-1984-HAND':
9668 case 'JP-OCR-HAND':
9669 return 'JIS_C6229-1984-hand';
9670
9671 case 'CSISO95JIS62291984HANDADD':
9672 case 'ISO-IR-95':
9673 case 'JIS_C6229-1984-HAND-ADD':
9674 case 'JP-OCR-HAND-ADD':
9675 return 'JIS_C6229-1984-hand-add';
9676
9677 case 'CSISO96JISC62291984KANA':
9678 case 'ISO-IR-96':
9679 case 'JIS_C6229-1984-KANA':
9680 return 'JIS_C6229-1984-kana';
9681
9682 case 'CSJISENCODING':
9683 case 'JIS_ENCODING':
9684 return 'JIS_Encoding';
9685
9686 case 'CSHALFWIDTHKATAKANA':
9687 case 'JIS_X0201':
9688 case 'X0201':
9689 return 'JIS_X0201';
9690
9691 case 'CSISO159JISX02121990':
9692 case 'ISO-IR-159':
9693 case 'JIS_X0212-1990':
9694 case 'X0212':
9695 return 'JIS_X0212-1990';
9696
9697 case 'CSISO141JUSIB1002':
9698 case 'ISO-IR-141':
9699 case 'ISO646-YU':
9700 case 'JS':
9701 case 'JUS_I.B1.002':
9702 case 'YU':
9703 return 'JUS_I.B1.002';
9704
9705 case 'CSISO147MACEDONIAN':
9706 case 'ISO-IR-147':
9707 case 'JUS_I.B1.003-MAC':
9708 case 'MACEDONIAN':
9709 return 'JUS_I.B1.003-mac';
9710
9711 case 'CSISO146SERBIAN':
9712 case 'ISO-IR-146':
9713 case 'JUS_I.B1.003-SERB':
9714 case 'SERBIAN':
9715 return 'JUS_I.B1.003-serb';
9716
9717 case 'KOI7-SWITCHED':
9718 return 'KOI7-switched';
9719
9720 case 'CSKOI8R':
9721 case 'KOI8-R':
9722 return 'KOI8-R';
9723
9724 case 'KOI8-U':
9725 return 'KOI8-U';
9726
9727 case 'CSKSC5636':
9728 case 'ISO646-KR':
9729 case 'KSC5636':
9730 return 'KSC5636';
9731
9732 case 'CSKSC56011987':
9733 case 'ISO-IR-149':
9734 case 'KOREAN':
9735 case 'KSC_5601':
9736 case 'KS_C_5601-1987':
9737 case 'KS_C_5601-1989':
9738 return 'KS_C_5601-1987';
9739
9740 case 'CSKZ1048':
9741 case 'KZ-1048':
9742 case 'RK1048':
9743 case 'STRK1048-2002':
9744 return 'KZ-1048';
9745
9746 case 'CSISO27LATINGREEK1':
9747 case 'ISO-IR-27':
9748 case 'LATIN-GREEK-1':
9749 return 'Latin-greek-1';
9750
9751 case 'CSMNEM':
9752 case 'MNEM':
9753 return 'MNEM';
9754
9755 case 'CSMNEMONIC':
9756 case 'MNEMONIC':
9757 return 'MNEMONIC';
9758
9759 case 'CSISO86HUNGARIAN':
9760 case 'HU':
9761 case 'ISO-IR-86':
9762 case 'ISO646-HU':
9763 case 'MSZ_7795.3':
9764 return 'MSZ_7795.3';
9765
9766 case 'CSMICROSOFTPUBLISHING':
9767 case 'MICROSOFT-PUBLISHING':
9768 return 'Microsoft-Publishing';
9769
9770 case 'CSNATSDANO':
9771 case 'ISO-IR-9-1':
9772 case 'NATS-DANO':
9773 return 'NATS-DANO';
9774
9775 case 'CSNATSDANOADD':
9776 case 'ISO-IR-9-2':
9777 case 'NATS-DANO-ADD':
9778 return 'NATS-DANO-ADD';
9779
9780 case 'CSNATSSEFI':
9781 case 'ISO-IR-8-1':
9782 case 'NATS-SEFI':
9783 return 'NATS-SEFI';
9784
9785 case 'CSNATSSEFIADD':
9786 case 'ISO-IR-8-2':
9787 case 'NATS-SEFI-ADD':
9788 return 'NATS-SEFI-ADD';
9789
9790 case 'CSISO151CUBA':
9791 case 'CUBA':
9792 case 'ISO-IR-151':
9793 case 'ISO646-CU':
9794 case 'NC_NC00-10:81':
9795 return 'NC_NC00-10:81';
9796
9797 case 'CSISO69FRENCH':
9798 case 'FR':
9799 case 'ISO-IR-69':
9800 case 'ISO646-FR':
9801 case 'NF_Z_62-010':
9802 return 'NF_Z_62-010';
9803
9804 case 'CSISO25FRENCH':
9805 case 'ISO-IR-25':
9806 case 'ISO646-FR1':
9807 case 'NF_Z_62-010_(1973)':
9808 return 'NF_Z_62-010_(1973)';
9809
9810 case 'CSISO60DANISHNORWEGIAN':
9811 case 'CSISO60NORWEGIAN1':
9812 case 'ISO-IR-60':
9813 case 'ISO646-NO':
9814 case 'NO':
9815 case 'NS_4551-1':
9816 return 'NS_4551-1';
9817
9818 case 'CSISO61NORWEGIAN2':
9819 case 'ISO-IR-61':
9820 case 'ISO646-NO2':
9821 case 'NO2':
9822 case 'NS_4551-2':
9823 return 'NS_4551-2';
9824
9825 case 'OSD_EBCDIC_DF03_IRV':
9826 return 'OSD_EBCDIC_DF03_IRV';
9827
9828 case 'OSD_EBCDIC_DF04_1':
9829 return 'OSD_EBCDIC_DF04_1';
9830
9831 case 'OSD_EBCDIC_DF04_15':
9832 return 'OSD_EBCDIC_DF04_15';
9833
9834 case 'CSPC8DANISHNORWEGIAN':
9835 case 'PC8-DANISH-NORWEGIAN':
9836 return 'PC8-Danish-Norwegian';
9837
9838 case 'CSPC8TURKISH':
9839 case 'PC8-TURKISH':
9840 return 'PC8-Turkish';
9841
9842 case 'CSISO16PORTUGUESE':
9843 case 'ISO-IR-16':
9844 case 'ISO646-PT':
9845 case 'PT':
9846 return 'PT';
9847
9848 case 'CSISO84PORTUGUESE2':
9849 case 'ISO-IR-84':
9850 case 'ISO646-PT2':
9851 case 'PT2':
9852 return 'PT2';
9853
9854 case 'CP154':
9855 case 'CSPTCP154':
9856 case 'CYRILLIC-ASIAN':
9857 case 'PT154':
9858 case 'PTCP154':
9859 return 'PTCP154';
9860
9861 case 'SCSU':
9862 return 'SCSU';
9863
9864 case 'CSISO10SWEDISH':
9865 case 'FI':
9866 case 'ISO-IR-10':
9867 case 'ISO646-FI':
9868 case 'ISO646-SE':
9869 case 'SE':
9870 case 'SEN_850200_B':
9871 return 'SEN_850200_B';
9872
9873 case 'CSISO11SWEDISHFORNAMES':
9874 case 'ISO-IR-11':
9875 case 'ISO646-SE2':
9876 case 'SE2':
9877 case 'SEN_850200_C':
9878 return 'SEN_850200_C';
9879
9880 case 'CSSHIFTJIS':
9881 case 'MS_KANJI':
9882 case 'SHIFT_JIS':
9883 return 'Shift_JIS';
9884
9885 case 'CSISO128T101G2':
9886 case 'ISO-IR-128':
9887 case 'T.101-G2':
9888 return 'T.101-G2';
9889
9890 case 'CSISO102T617BIT':
9891 case 'ISO-IR-102':
9892 case 'T.61-7BIT':
9893 return 'T.61-7bit';
9894
9895 case 'CSISO103T618BIT':
9896 case 'ISO-IR-103':
9897 case 'T.61':
9898 case 'T.61-8BIT':
9899 return 'T.61-8bit';
9900
9901 case 'CSTSCII':
9902 case 'TSCII':
9903 return 'TSCII';
9904
9905 case 'CSUNICODE11':
9906 case 'UNICODE-1-1':
9907 return 'UNICODE-1-1';
9908
9909 case 'CSUNICODE11UTF7':
9910 case 'UNICODE-1-1-UTF-7':
9911 return 'UNICODE-1-1-UTF-7';
9912
9913 case 'CSUNKNOWN8BIT':
9914 case 'UNKNOWN-8BIT':
9915 return 'UNKNOWN-8BIT';
9916
9917 case 'ANSI':
9918 case 'ANSI_X3.4-1968':
9919 case 'ANSI_X3.4-1986':
9920 case 'ASCII':
9921 case 'CP367':
9922 case 'CSASCII':
9923 case 'IBM367':
9924 case 'ISO-IR-6':
9925 case 'ISO646-US':
9926 case 'ISO_646.IRV:1991':
9927 case 'US':
9928 case 'US-ASCII':
9929 return 'US-ASCII';
9930
9931 case 'UTF-16':
9932 return 'UTF-16';
9933
9934 case 'UTF-16BE':
9935 return 'UTF-16BE';
9936
9937 case 'UTF-16LE':
9938 return 'UTF-16LE';
9939
9940 case 'UTF-32':
9941 return 'UTF-32';
9942
9943 case 'UTF-32BE':
9944 return 'UTF-32BE';
9945
9946 case 'UTF-32LE':
9947 return 'UTF-32LE';
9948
9949 case 'UTF-7':
9950 return 'UTF-7';
9951
9952 case 'UTF-8':
9953 return 'UTF-8';
9954
9955 case 'CSVIQR':
9956 case 'VIQR':
9957 return 'VIQR';
9958
9959 case 'CSVISCII':
9960 case 'VISCII':
9961 return 'VISCII';
9962
9963 case 'CSVENTURAINTERNATIONAL':
9964 case 'VENTURA-INTERNATIONAL':
9965 return 'Ventura-International';
9966
9967 case 'CSVENTURAMATH':
9968 case 'VENTURA-MATH':
9969 return 'Ventura-Math';
9970
9971 case 'CSVENTURAUS':
9972 case 'VENTURA-US':
9973 return 'Ventura-US';
9974
9975 case 'CSWINDOWS31J':
9976 case 'WINDOWS-31J':
9977 return 'Windows-31J';
9978
9979 case 'CSDKUS':
9980 case 'DK-US':
9981 return 'dk-us';
9982
9983 case 'CSISO150':
9984 case 'CSISO150GREEKCCITT':
9985 case 'GREEK-CCITT':
9986 case 'ISO-IR-150':
9987 return 'greek-ccitt';
9988
9989 case 'CSISO88GREEK7':
9990 case 'GREEK7':
9991 case 'ISO-IR-88':
9992 return 'greek7';
9993
9994 case 'CSISO18GREEK7OLD':
9995 case 'GREEK7-OLD':
9996 case 'ISO-IR-18':
9997 return 'greek7-old';
9998
9999 case 'CSHPROMAN8':
10000 case 'HP-ROMAN8':
10001 case 'R8':
10002 case 'ROMAN8':
10003 return 'hp-roman8';
10004
10005 case 'CSISO90':
10006 case 'ISO-IR-90':
10007 return 'iso-ir-90';
10008
10009 case 'CSISO19LATINGREEK':
10010 case 'ISO-IR-19':
10011 case 'LATIN-GREEK':
10012 return 'latin-greek';
10013
10014 case 'CSISO158LAP':
10015 case 'ISO-IR-158':
10016 case 'LAP':
10017 case 'LATIN-LAP':
10018 return 'latin-lap';
10019
10020 case 'CSMACINTOSH':
10021 case 'MAC':
10022 case 'MACINTOSH':
10023 return 'macintosh';
10024
10025 case 'CSUSDK':
10026 case 'US-DK':
10027 return 'us-dk';
10028
10029 case 'CSISO70VIDEOTEXSUPP1':
10030 case 'ISO-IR-70':
10031 case 'VIDEOTEX-SUPPL':
10032 return 'videotex-suppl';
10033
10034 case 'WINDOWS-1250':
10035 return 'windows-1250';
10036
10037 case 'WINDOWS-1251':
10038 return 'windows-1251';
10039
10040 case 'CP819':
10041 case 'CSISOLATIN1':
10042 case 'IBM819':
10043 case 'ISO-8859-1':
10044 case 'ISO-IR-100':
10045 case 'ISO_8859-1':
10046 case 'ISO_8859-1:1987':
10047 case 'L1':
10048 case 'LATIN1':
10049 case 'WINDOWS-1252':
10050 return 'windows-1252';
10051
10052 case 'WINDOWS-1253':
10053 return 'windows-1253';
10054
10055 case 'WINDOWS-1254':
10056 return 'windows-1254';
10057
10058 case 'WINDOWS-1255':
10059 return 'windows-1255';
10060
10061 case 'WINDOWS-1256':
10062 return 'windows-1256';
10063
10064 case 'WINDOWS-1257':
10065 return 'windows-1257';
10066
10067 case 'WINDOWS-1258':
10068 return 'windows-1258';
10069
10070 default:
10071 return $encoding;
10072 }
10073 }
10074
10075 function get_curl_version()
10076 {
10077 if (is_array($curl = curl_version()))
10078 {
10079 $curl = $curl['version'];
10080 }
10081 elseif (substr($curl, 0, 5) == 'curl/')
10082 {
10083 $curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5));
10084 }
10085 elseif (substr($curl, 0, 8) == 'libcurl/')
10086 {
10087 $curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8));
10088 }
10089 else
10090 {
10091 $curl = 0;
10092 }
10093 return $curl;
10094 }
10095
10096 function is_subclass_of($class1, $class2)
10097 {
10098 if (func_num_args() != 2)
10099 {
10100 trigger_error('Wrong parameter count for SimplePie_Misc::is_subclass_of()', E_USER_WARNING);
10101 }
10102 elseif (version_compare(PHP_VERSION, '5.0.3', '>=') || is_object($class1))
10103 {
10104 return is_subclass_of($class1, $class2);
10105 }
10106 elseif (is_string($class1) && is_string($class2))
10107 {
10108 if (class_exists($class1))
10109 {
10110 if (class_exists($class2))
10111 {
10112 $class2 = strtolower($class2);
10113 while ($class1 = strtolower(get_parent_class($class1)))
10114 {
10115 if ($class1 == $class2)
10116 {
10117 return true;
10118 }
10119 }
10120 }
10121 }
10122 else
10123 {
10124 trigger_error('Unknown class passed as parameter', E_USER_WARNNG);
10125 }
10126 }
10127 return false;
10128 }
10129
10130 /**
10131 * Strip HTML comments
10132 *
10133 * @access public
10134 * @param string $data Data to strip comments from
10135 * @return string Comment stripped string
10136 */
10137 function strip_comments($data)
10138 {
10139 $output = '';
10140 while (($start = strpos($data, '<!--')) !== false)
10141 {
10142 $output .= substr($data, 0, $start);
10143 if (($end = strpos($data, '-->', $start)) !== false)
10144 {
10145 $data = substr_replace($data, '', 0, $end + 3);
10146 }
10147 else
10148 {
10149 $data = '';
10150 }
10151 }
10152 return $output . $data;
10153 }
10154
10155 function parse_date($dt)
10156 {
10157 $parser = SimplePie_Parse_Date::get();
10158 return $parser->parse($dt);
10159 }
10160
10161 /**
10162 * Decode HTML entities
10163 *
10164 * @static
10165 * @access public
10166 * @param string $data Input data
10167 * @return string Output data
10168 */
10169 function entities_decode($data)
10170 {
10171 $decoder = new SimplePie_Decode_HTML_Entities($data);
10172 return $decoder->parse();
10173 }
10174
10175 /**
10176 * Remove RFC822 comments
10177 *
10178 * @access public
10179 * @param string $data Data to strip comments from
10180 * @return string Comment stripped string
10181 */
10182 function uncomment_rfc822($string)
10183 {
10184 $string = (string) $string;
10185 $position = 0;
10186 $length = strlen($string);
10187 $depth = 0;
10188
10189 $output = '';
10190
10191 while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
10192 {
10193 $output .= substr($string, $position, $pos - $position);
10194 $position = $pos + 1;
10195 if ($string[$pos - 1] !== '\\')
10196 {
10197 $depth++;
10198 while ($depth && $position < $length)
10199 {
10200 $position += strcspn($string, '()', $position);
10201 if ($string[$position - 1] === '\\')
10202 {
10203 $position++;
10204 continue;
10205 }
10206 elseif (isset($string[$position]))
10207 {
10208 switch ($string[$position])
10209 {
10210 case '(':
10211 $depth++;
10212 break;
10213
10214 case ')':
10215 $depth--;
10216 break;
10217 }
10218 $position++;
10219 }
10220 else
10221 {
10222 break;
10223 }
10224 }
10225 }
10226 else
10227 {
10228 $output .= '(';
10229 }
10230 }
10231 $output .= substr($string, $position);
10232
10233 return $output;
10234 }
10235
10236 function parse_mime($mime)
10237 {
10238 if (($pos = strpos($mime, ';')) === false)
10239 {
10240 return trim($mime);
10241 }
10242 else
10243 {
10244 return trim(substr($mime, 0, $pos));
10245 }
10246 }
10247
10248 function htmlspecialchars_decode($string, $quote_style)
10249 {
10250 if (function_exists('htmlspecialchars_decode'))
10251 {
10252 return htmlspecialchars_decode($string, $quote_style);
10253 }
10254 else
10255 {
10256 return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style)));
10257 }
10258 }
10259
10260 function atom_03_construct_type($attribs)
10261 {
10262 if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) == 'base64'))
10263 {
10264 $mode = SIMPLEPIE_CONSTRUCT_BASE64;
10265 }
10266 else
10267 {
10268 $mode = SIMPLEPIE_CONSTRUCT_NONE;
10269 }
10270 if (isset($attribs['']['type']))
10271 {
10272 switch (strtolower(trim($attribs['']['type'])))
10273 {
10274 case 'text':
10275 case 'text/plain':
10276 return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
10277
10278 case 'html':
10279 case 'text/html':
10280 return SIMPLEPIE_CONSTRUCT_HTML | $mode;
10281
10282 case 'xhtml':
10283 case 'application/xhtml+xml':
10284 return SIMPLEPIE_CONSTRUCT_XHTML | $mode;
10285
10286 default:
10287 return SIMPLEPIE_CONSTRUCT_NONE | $mode;
10288 }
10289 }
10290 else
10291 {
10292 return SIMPLEPIE_CONSTRUCT_TEXT | $mode;
10293 }
10294 }
10295
10296 function atom_10_construct_type($attribs)
10297 {
10298 if (isset($attribs['']['type']))
10299 {
10300 switch (strtolower(trim($attribs['']['type'])))
10301 {
10302 case 'text':
10303 return SIMPLEPIE_CONSTRUCT_TEXT;
10304
10305 case 'html':
10306 return SIMPLEPIE_CONSTRUCT_HTML;
10307
10308 case 'xhtml':
10309 return SIMPLEPIE_CONSTRUCT_XHTML;
10310
10311 default:
10312 return SIMPLEPIE_CONSTRUCT_NONE;
10313 }
10314 }
10315 return SIMPLEPIE_CONSTRUCT_TEXT;
10316 }
10317
10318 function atom_10_content_construct_type($attribs)
10319 {
10320 if (isset($attribs['']['type']))
10321 {
10322 $type = strtolower(trim($attribs['']['type']));
10323 switch ($type)
10324 {
10325 case 'text':
10326 return SIMPLEPIE_CONSTRUCT_TEXT;
10327
10328 case 'html':
10329 return SIMPLEPIE_CONSTRUCT_HTML;
10330
10331 case 'xhtml':
10332 return SIMPLEPIE_CONSTRUCT_XHTML;
10333 }
10334 if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) == 'text/')
10335 {
10336 return SIMPLEPIE_CONSTRUCT_NONE;
10337 }
10338 else
10339 {
10340 return SIMPLEPIE_CONSTRUCT_BASE64;
10341 }
10342 }
10343 else
10344 {
10345 return SIMPLEPIE_CONSTRUCT_TEXT;
10346 }
10347 }
10348
10349 function is_isegment_nz_nc($string)
10350 {
10351 return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string);
10352 }
10353
10354 function space_seperated_tokens($string)
10355 {
10356 $space_characters = "\x20\x09\x0A\x0B\x0C\x0D";
10357 $string_length = strlen($string);
10358
10359 $position = strspn($string, $space_characters);
10360 $tokens = array();
10361
10362 while ($position < $string_length)
10363 {
10364 $len = strcspn($string, $space_characters, $position);
10365 $tokens[] = substr($string, $position, $len);
10366 $position += $len;
10367 $position += strspn($string, $space_characters, $position);
10368 }
10369
10370 return $tokens;
10371 }
10372
10373 function array_unique($array)
10374 {
10375 if (version_compare(PHP_VERSION, '5.2', '>='))
10376 {
10377 return array_unique($array);
10378 }
10379 else
10380 {
10381 $array = (array) $array;
10382 $new_array = array();
10383 $new_array_strings = array();
10384 foreach ($array as $key => $value)
10385 {
10386 if (is_object($value))
10387 {
10388 if (method_exists($value, '__toString'))
10389 {
10390 $cmp = $value->__toString();
10391 }
10392 else
10393 {
10394 trigger_error('Object of class ' . get_class($value) . ' could not be converted to string', E_USER_ERROR);
10395 }
10396 }
10397 elseif (is_array($value))
10398 {
10399 $cmp = (string) reset($value);
10400 }
10401 else
10402 {
10403 $cmp = (string) $value;
10404 }
10405 if (!in_array($cmp, $new_array_strings))
10406 {
10407 $new_array[$key] = $value;
10408 $new_array_strings[] = $cmp;
10409 }
10410 }
10411 return $new_array;
10412 }
10413 }
10414
10415 /**
10416 * Converts a unicode codepoint to a UTF-8 character
10417 *
10418 * @static
10419 * @access public
10420 * @param int $codepoint Unicode codepoint
10421 * @return string UTF-8 character
10422 */
10423 function codepoint_to_utf8($codepoint)
10424 {
10425 static $cache = array();
10426 $codepoint = (int) $codepoint;
10427 if (isset($cache[$codepoint]))
10428 {
10429 return $cache[$codepoint];
10430 }
10431 elseif ($codepoint < 0)
10432 {
10433 return $cache[$codepoint] = false;
10434 }
10435 else if ($codepoint <= 0x7f)
10436 {
10437 return $cache[$codepoint] = chr($codepoint);
10438 }
10439 else if ($codepoint <= 0x7ff)
10440 {
10441 return $cache[$codepoint] = chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f));
10442 }
10443 else if ($codepoint <= 0xffff)
10444 {
10445 return $cache[$codepoint] = chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
10446 }
10447 else if ($codepoint <= 0x10ffff)
10448 {
10449 return $cache[$codepoint] = chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f));
10450 }
10451 else
10452 {
10453 // U+FFFD REPLACEMENT CHARACTER
10454 return $cache[$codepoint] = "\xEF\xBF\xBD";
10455 }
10456 }
10457
10458 /**
10459 * Re-implementation of PHP 5's stripos()
10460 *
10461 * Returns the numeric position of the first occurrence of needle in the
10462 * haystack string.
10463 *
10464 * @static
10465 * @access string
10466 * @param object $haystack
10467 * @param string $needle Note that the needle may be a string of one or more
10468 * characters. If needle is not a string, it is converted to an integer
10469 * and applied as the ordinal value of a character.
10470 * @param int $offset The optional offset parameter allows you to specify which
10471 * character in haystack to start searching. The position returned is still
10472 * relative to the beginning of haystack.
10473 * @return bool If needle is not found, stripos() will return boolean false.
10474 */
10475 function stripos($haystack, $needle, $offset = 0)
10476 {
10477 if (function_exists('stripos'))
10478 {
10479 return stripos($haystack, $needle, $offset);
10480 }
10481 else
10482 {
10483 if (is_string($needle))
10484 {
10485 $needle = strtolower($needle);
10486 }
10487 elseif (is_int($needle) || is_bool($needle) || is_double($needle))
10488 {
10489 $needle = strtolower(chr($needle));
10490 }
10491 else
10492 {
10493 trigger_error('needle is not a string or an integer', E_USER_WARNING);
10494 return false;
10495 }
10496
10497 return strpos(strtolower($haystack), $needle, $offset);
10498 }
10499 }
10500
10501 /**
10502 * Similar to parse_str()
10503 *
10504 * Returns an associative array of name/value pairs, where the value is an
10505 * array of values that have used the same name
10506 *
10507 * @static
10508 * @access string
10509 * @param string $str The input string.
10510 * @return array
10511 */
10512 function parse_str($str)
10513 {
10514 $return = array();
10515 $str = explode('&', $str);
10516
10517 foreach ($str as $section)
10518 {
10519 if (strpos($section, '=') !== false)
10520 {
10521 list($name, $value) = explode('=', $section, 2);
10522 $return[urldecode($name)][] = urldecode($value);
10523 }
10524 else
10525 {
10526 $return[urldecode($section)][] = null;
10527 }
10528 }
10529
10530 return $return;
10531 }
10532
10533 /**
10534 * Detect XML encoding, as per XML 1.0 Appendix F.1
10535 *
10536 * @todo Add support for EBCDIC
10537 * @param string $data XML data
10538 * @return array Possible encodings
10539 */
10540 function xml_encoding($data)
10541 {
10542 // UTF-32 Big Endian BOM
10543 if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
10544 {
10545 $encoding[] = 'UTF-32BE';
10546 }
10547 // UTF-32 Little Endian BOM
10548 elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
10549 {
10550 $encoding[] = 'UTF-32LE';
10551 }
10552 // UTF-16 Big Endian BOM
10553 elseif (substr($data, 0, 2) === "\xFE\xFF")
10554 {
10555 $encoding[] = 'UTF-16BE';
10556 }
10557 // UTF-16 Little Endian BOM
10558 elseif (substr($data, 0, 2) === "\xFF\xFE")
10559 {
10560 $encoding[] = 'UTF-16LE';
10561 }
10562 // UTF-8 BOM
10563 elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
10564 {
10565 $encoding[] = 'UTF-8';
10566 }
10567 // UTF-32 Big Endian Without BOM
10568 elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C")
10569 {
10570 if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E"))
10571 {
10572 $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8'));
10573 if ($parser->parse())
10574 {
10575 $encoding[] = $parser->encoding;
10576 }
10577 }
10578 $encoding[] = 'UTF-32BE';
10579 }
10580 // UTF-32 Little Endian Without BOM
10581 elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00")
10582 {
10583 if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00"))
10584 {
10585 $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8'));
10586 if ($parser->parse())
10587 {
10588 $encoding[] = $parser->encoding;
10589 }
10590 }
10591 $encoding[] = 'UTF-32LE';
10592 }
10593 // UTF-16 Big Endian Without BOM
10594 elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C")
10595 {
10596 if ($pos = strpos($data, "\x00\x3F\x00\x3E"))
10597 {
10598 $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8'));
10599 if ($parser->parse())
10600 {
10601 $encoding[] = $parser->encoding;
10602 }
10603 }
10604 $encoding[] = 'UTF-16BE';
10605 }
10606 // UTF-16 Little Endian Without BOM
10607 elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00")
10608 {
10609 if ($pos = strpos($data, "\x3F\x00\x3E\x00"))
10610 {
10611 $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8'));
10612 if ($parser->parse())
10613 {
10614 $encoding[] = $parser->encoding;
10615 }
10616 }
10617 $encoding[] = 'UTF-16LE';
10618 }
10619 // US-ASCII (or superset)
10620 elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C")
10621 {
10622 if ($pos = strpos($data, "\x3F\x3E"))
10623 {
10624 $parser = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5));
10625 if ($parser->parse())
10626 {
10627 $encoding[] = $parser->encoding;
10628 }
10629 }
10630 $encoding[] = 'UTF-8';
10631 }
10632 // Fallback to UTF-8
10633 else
10634 {
10635 $encoding[] = 'UTF-8';
10636 }
10637 return $encoding;
10638 }
10639 }
10640
10641 /**
10642 * Decode HTML Entities
10643 *
10644 * This implements HTML5 as of revision 967 (2007-06-28)
10645 *
10646 * @package SimplePie
10647 */
10648 class SimplePie_Decode_HTML_Entities
10649 {
10650 /**
10651 * Data to be parsed
10652 *
10653 * @access private
10654 * @var string
10655 */
10656 var $data = '';
10657
10658 /**
10659 * Currently consumed bytes
10660 *
10661 * @access private
10662 * @var string
10663 */
10664 var $consumed = '';
10665
10666 /**
10667 * Position of the current byte being parsed
10668 *
10669 * @access private
10670 * @var int
10671 */
10672 var $position = 0;
10673
10674 /**
10675 * Create an instance of the class with the input data
10676 *
10677 * @access public
10678 * @param string $data Input data
10679 */
10680 function SimplePie_Decode_HTML_Entities($data)
10681 {
10682 $this->data = $data;
10683 }
10684
10685 /**
10686 * Parse the input data
10687 *
10688 * @access public
10689 * @return string Output data
10690 */
10691 function parse()
10692 {
10693 while (($this->position = strpos($this->data, '&', $this->position)) !== false)
10694 {
10695 $this->consume();
10696 $this->entity();
10697 $this->consumed = '';
10698 }
10699 return $this->data;
10700 }
10701
10702 /**
10703 * Consume the next byte
10704 *
10705 * @access private
10706 * @return mixed The next byte, or false, if there is no more data
10707 */
10708 function consume()
10709 {
10710 if (isset($this->data[$this->position]))
10711 {
10712 $this->consumed .= $this->data[$this->position];
10713 return $this->data[$this->position++];
10714 }
10715 else
10716 {
10717 $this->consumed = false;
10718 return false;
10719 }
10720 }
10721
10722 /**
10723 * Consume a range of characters
10724 *
10725 * @access private
10726 * @param string $chars Characters to consume
10727 * @return mixed A series of characters that match the range, or false
10728 */
10729 function consume_range($chars)
10730 {
10731 if ($len = strspn($this->data, $chars, $this->position))
10732 {
10733 $data = substr($this->data, $this->position, $len);
10734 $this->consumed .= $data;
10735 $this->position += $len;
10736 return $data;
10737 }
10738 else
10739 {
10740 $this->consumed = false;
10741 return false;
10742 }
10743 }
10744
10745 /**
10746 * Unconsume one byte
10747 *
10748 * @access private
10749 */
10750 function unconsume()
10751 {
10752 $this->consumed = substr($this->consumed, 0, -1);
10753 $this->position--;
10754 }
10755
10756 /**
10757 * Decode an entity
10758 *
10759 * @access private
10760 */
10761 function entity()
10762 {
10763 switch ($this->consume())
10764 {
10765 case "\x09":
10766 case "\x0A":
10767 case "\x0B":
10768 case "\x0B":
10769 case "\x0C":
10770 case "\x20":
10771 case "\x3C":
10772 case "\x26":
10773 case false:
10774 break;
10775
10776 case "\x23":
10777 switch ($this->consume())
10778 {
10779 case "\x78":
10780 case "\x58":
10781 $range = '0123456789ABCDEFabcdef';
10782 $hex = true;
10783 break;
10784
10785 default:
10786 $range = '0123456789';
10787 $hex = false;
10788 $this->unconsume();
10789 break;
10790 }
10791
10792 if ($codepoint = $this->consume_range($range))
10793 {
10794 static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8");
10795
10796 if ($hex)
10797 {
10798 $codepoint = hexdec($codepoint);
10799 }
10800 else
10801 {
10802 $codepoint = intval($codepoint);
10803 }
10804
10805 if (isset($windows_1252_specials[$codepoint]))
10806 {
10807 $replacement = $windows_1252_specials[$codepoint];
10808 }
10809 else
10810 {
10811 $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint);
10812 }
10813
10814 if ($this->consume() != ';')
10815 {
10816 $this->unconsume();
10817 }
10818
10819 $consumed_length = strlen($this->consumed);
10820 $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length);
10821 $this->position += strlen($replacement) - $consumed_length;
10822 }
10823 break;
10824
10825 default:
10826 static $entities = array('Aacute' => "\xC3\x81", 'aacute' => "\xC3\xA1", 'Aacute;' => "\xC3\x81", 'aacute;' => "\xC3\xA1", 'Acirc' => "\xC3\x82", 'acirc' => "\xC3\xA2", 'Acirc;' => "\xC3\x82", 'acirc;' => "\xC3\xA2", 'acute' => "\xC2\xB4", 'acute;' => "\xC2\xB4", 'AElig' => "\xC3\x86", 'aelig' => "\xC3\xA6", 'AElig;' => "\xC3\x86", 'aelig;' => "\xC3\xA6", 'Agrave' => "\xC3\x80", 'agrave' => "\xC3\xA0", 'Agrave;' => "\xC3\x80", 'agrave;' => "\xC3\xA0", 'alefsym;' => "\xE2\x84\xB5", 'Alpha;' => "\xCE\x91", 'alpha;' => "\xCE\xB1", 'AMP' => "\x26", 'amp' => "\x26", 'AMP;' => "\x26", 'amp;' => "\x26", 'and;' => "\xE2\x88\xA7", 'ang;' => "\xE2\x88\xA0", 'apos;' => "\x27", 'Aring' => "\xC3\x85", 'aring' => "\xC3\xA5", 'Aring;' => "\xC3\x85", 'aring;' => "\xC3\xA5", 'asymp;' => "\xE2\x89\x88", 'Atilde' => "\xC3\x83", 'atilde' => "\xC3\xA3", 'Atilde;' => "\xC3\x83", 'atilde;' => "\xC3\xA3", 'Auml' => "\xC3\x84", 'auml' => "\xC3\xA4", 'Auml;' => "\xC3\x84", 'auml;' => "\xC3\xA4", 'bdquo;' => "\xE2\x80\x9E", 'Beta;' => "\xCE\x92", 'beta;' => "\xCE\xB2", 'brvbar' => "\xC2\xA6", 'brvbar;' => "\xC2\xA6", 'bull;' => "\xE2\x80\xA2", 'cap;' => "\xE2\x88\xA9", 'Ccedil' => "\xC3\x87", 'ccedil' => "\xC3\xA7", 'Ccedil;' => "\xC3\x87", 'ccedil;' => "\xC3\xA7", 'cedil' => "\xC2\xB8", 'cedil;' => "\xC2\xB8", 'cent' => "\xC2\xA2", 'cent;' => "\xC2\xA2", 'Chi;' => "\xCE\xA7", 'chi;' => "\xCF\x87", 'circ;' => "\xCB\x86", 'clubs;' => "\xE2\x99\xA3", 'cong;' => "\xE2\x89\x85", 'COPY' => "\xC2\xA9", 'copy' => "\xC2\xA9", 'COPY;' => "\xC2\xA9", 'copy;' => "\xC2\xA9", 'crarr;' => "\xE2\x86\xB5", 'cup;' => "\xE2\x88\xAA", 'curren' => "\xC2\xA4", 'curren;' => "\xC2\xA4", 'Dagger;' => "\xE2\x80\xA1", 'dagger;' => "\xE2\x80\xA0", 'dArr;' => "\xE2\x87\x93", 'darr;' => "\xE2\x86\x93", 'deg' => "\xC2\xB0", 'deg;' => "\xC2\xB0", 'Delta;' => "\xCE\x94", 'delta;' => "\xCE\xB4", 'diams;' => "\xE2\x99\xA6", 'divide' => "\xC3\xB7", 'divide;' => "\xC3\xB7", 'Eacute' => "\xC3\x89", 'eacute' => "\xC3\xA9", 'Eacute;' => "\xC3\x89", 'eacute;' => "\xC3\xA9", 'Ecirc' => "\xC3\x8A", 'ecirc' => "\xC3\xAA", 'Ecirc;' => "\xC3\x8A", 'ecirc;' => "\xC3\xAA", 'Egrave' => "\xC3\x88", 'egrave' => "\xC3\xA8", 'Egrave;' => "\xC3\x88", 'egrave;' => "\xC3\xA8", 'empty;' => "\xE2\x88\x85", 'emsp;' => "\xE2\x80\x83", 'ensp;' => "\xE2\x80\x82", 'Epsilon;' => "\xCE\x95", 'epsilon;' => "\xCE\xB5", 'equiv;' => "\xE2\x89\xA1", 'Eta;' => "\xCE\x97", 'eta;' => "\xCE\xB7", 'ETH' => "\xC3\x90", 'eth' => "\xC3\xB0", 'ETH;' => "\xC3\x90", 'eth;' => "\xC3\xB0", 'Euml' => "\xC3\x8B", 'euml' => "\xC3\xAB", 'Euml;' => "\xC3\x8B", 'euml;' => "\xC3\xAB", 'euro;' => "\xE2\x82\xAC", 'exist;' => "\xE2\x88\x83", 'fnof;' => "\xC6\x92", 'forall;' => "\xE2\x88\x80", 'frac12' => "\xC2\xBD", 'frac12;' => "\xC2\xBD", 'frac14' => "\xC2\xBC", 'frac14;' => "\xC2\xBC", 'frac34' => "\xC2\xBE", 'frac34;' => "\xC2\xBE", 'frasl;' => "\xE2\x81\x84", 'Gamma;' => "\xCE\x93", 'gamma;' => "\xCE\xB3", 'ge;' => "\xE2\x89\xA5", 'GT' => "\x3E", 'gt' => "\x3E", 'GT;' => "\x3E", 'gt;' => "\x3E", 'hArr;' => "\xE2\x87\x94", 'harr;' => "\xE2\x86\x94", 'hearts;' => "\xE2\x99\xA5", 'hellip;' => "\xE2\x80\xA6", 'Iacute' => "\xC3\x8D", 'iacute' => "\xC3\xAD", 'Iacute;' => "\xC3\x8D", 'iacute;' => "\xC3\xAD", 'Icirc' => "\xC3\x8E", 'icirc' => "\xC3\xAE", 'Icirc;' => "\xC3\x8E", 'icirc;' => "\xC3\xAE", 'iexcl' => "\xC2\xA1", 'iexcl;' => "\xC2\xA1", 'Igrave' => "\xC3\x8C", 'igrave' => "\xC3\xAC", 'Igrave;' => "\xC3\x8C", 'igrave;' => "\xC3\xAC", 'image;' => "\xE2\x84\x91", 'infin;' => "\xE2\x88\x9E", 'int;' => "\xE2\x88\xAB", 'Iota;' => "\xCE\x99", 'iota;' => "\xCE\xB9", 'iquest' => "\xC2\xBF", 'iquest;' => "\xC2\xBF", 'isin;' => "\xE2\x88\x88", 'Iuml' => "\xC3\x8F", 'iuml' => "\xC3\xAF", 'Iuml;' => "\xC3\x8F", 'iuml;' => "\xC3\xAF", 'Kappa;' => "\xCE\x9A", 'kappa;' => "\xCE\xBA", 'Lambda;' => "\xCE\x9B", 'lambda;' => "\xCE\xBB", 'lang;' => "\xE3\x80\x88", 'laquo' => "\xC2\xAB", 'laquo;' => "\xC2\xAB", 'lArr;' => "\xE2\x87\x90", 'larr;' => "\xE2\x86\x90", 'lceil;' => "\xE2\x8C\x88", 'ldquo;' => "\xE2\x80\x9C", 'le;' => "\xE2\x89\xA4", 'lfloor;' => "\xE2\x8C\x8A", 'lowast;' => "\xE2\x88\x97", 'loz;' => "\xE2\x97\x8A", 'lrm;' => "\xE2\x80\x8E", 'lsaquo;' => "\xE2\x80\xB9", 'lsquo;' => "\xE2\x80\x98", 'LT' => "\x3C", 'lt' => "\x3C", 'LT;' => "\x3C", 'lt;' => "\x3C", 'macr' => "\xC2\xAF", 'macr;' => "\xC2\xAF", 'mdash;' => "\xE2\x80\x94", 'micro' => "\xC2\xB5", 'micro;' => "\xC2\xB5", 'middot' => "\xC2\xB7", 'middot;' => "\xC2\xB7", 'minus;' => "\xE2\x88\x92", 'Mu;' => "\xCE\x9C", 'mu;' => "\xCE\xBC", 'nabla;' => "\xE2\x88\x87", 'nbsp' => "\xC2\xA0", 'nbsp;' => "\xC2\xA0", 'ndash;' => "\xE2\x80\x93", 'ne;' => "\xE2\x89\xA0", 'ni;' => "\xE2\x88\x8B", 'not' => "\xC2\xAC", 'not;' => "\xC2\xAC", 'notin;' => "\xE2\x88\x89", 'nsub;' => "\xE2\x8A\x84", 'Ntilde' => "\xC3\x91", 'ntilde' => "\xC3\xB1", 'Ntilde;' => "\xC3\x91", 'ntilde;' => "\xC3\xB1", 'Nu;' => "\xCE\x9D", 'nu;' => "\xCE\xBD", 'Oacute' => "\xC3\x93", 'oacute' => "\xC3\xB3", 'Oacute;' => "\xC3\x93", 'oacute;' => "\xC3\xB3", 'Ocirc' => "\xC3\x94", 'ocirc' => "\xC3\xB4", 'Ocirc;' => "\xC3\x94", 'ocirc;' => "\xC3\xB4", 'OElig;' => "\xC5\x92", 'oelig;' => "\xC5\x93", 'Ograve' => "\xC3\x92", 'ograve' => "\xC3\xB2", 'Ograve;' => "\xC3\x92", 'ograve;' => "\xC3\xB2", 'oline;' => "\xE2\x80\xBE", 'Omega;' => "\xCE\xA9", 'omega;' => "\xCF\x89", 'Omicron;' => "\xCE\x9F", 'omicron;' => "\xCE\xBF", 'oplus;' => "\xE2\x8A\x95", 'or;' => "\xE2\x88\xA8", 'ordf' => "\xC2\xAA", 'ordf;' => "\xC2\xAA", 'ordm' => "\xC2\xBA", 'ordm;' => "\xC2\xBA", 'Oslash' => "\xC3\x98", 'oslash' => "\xC3\xB8", 'Oslash;' => "\xC3\x98", 'oslash;' => "\xC3\xB8", 'Otilde' => "\xC3\x95", 'otilde' => "\xC3\xB5", 'Otilde;' => "\xC3\x95", 'otilde;' => "\xC3\xB5", 'otimes;' => "\xE2\x8A\x97", 'Ouml' => "\xC3\x96", 'ouml' => "\xC3\xB6", 'Ouml;' => "\xC3\x96", 'ouml;' => "\xC3\xB6", 'para' => "\xC2\xB6", 'para;' => "\xC2\xB6", 'part;' => "\xE2\x88\x82", 'permil;' => "\xE2\x80\xB0", 'perp;' => "\xE2\x8A\xA5", 'Phi;' => "\xCE\xA6", 'phi;' => "\xCF\x86", 'Pi;' => "\xCE\xA0", 'pi;' => "\xCF\x80", 'piv;' => "\xCF\x96", 'plusmn' => "\xC2\xB1", 'plusmn;' => "\xC2\xB1", 'pound' => "\xC2\xA3", 'pound;' => "\xC2\xA3", 'Prime;' => "\xE2\x80\xB3", 'prime;' => "\xE2\x80\xB2", 'prod;' => "\xE2\x88\x8F", 'prop;' => "\xE2\x88\x9D", 'Psi;' => "\xCE\xA8", 'psi;' => "\xCF\x88", 'QUOT' => "\x22", 'quot' => "\x22", 'QUOT;' => "\x22", 'quot;' => "\x22", 'radic;' => "\xE2\x88\x9A", 'rang;' => "\xE3\x80\x89", 'raquo' => "\xC2\xBB", 'raquo;' => "\xC2\xBB", 'rArr;' => "\xE2\x87\x92", 'rarr;' => "\xE2\x86\x92", 'rceil;' => "\xE2\x8C\x89", 'rdquo;' => "\xE2\x80\x9D", 'real;' => "\xE2\x84\x9C", 'REG' => "\xC2\xAE", 'reg' => "\xC2\xAE", 'REG;' => "\xC2\xAE", 'reg;' => "\xC2\xAE", 'rfloor;' => "\xE2\x8C\x8B", 'Rho;' => "\xCE\xA1", 'rho;' => "\xCF\x81", 'rlm;' => "\xE2\x80\x8F", 'rsaquo;' => "\xE2\x80\xBA", 'rsquo;' => "\xE2\x80\x99", 'sbquo;' => "\xE2\x80\x9A", 'Scaron;' => "\xC5\xA0", 'scaron;' => "\xC5\xA1", 'sdot;' => "\xE2\x8B\x85", 'sect' => "\xC2\xA7", 'sect;' => "\xC2\xA7", 'shy' => "\xC2\xAD", 'shy;' => "\xC2\xAD", 'Sigma;' => "\xCE\xA3", 'sigma;' => "\xCF\x83", 'sigmaf;' => "\xCF\x82", 'sim;' => "\xE2\x88\xBC", 'spades;' => "\xE2\x99\xA0", 'sub;' => "\xE2\x8A\x82", 'sube;' => "\xE2\x8A\x86", 'sum;' => "\xE2\x88\x91", 'sup;' => "\xE2\x8A\x83", 'sup1' => "\xC2\xB9", 'sup1;' => "\xC2\xB9", 'sup2' => "\xC2\xB2", 'sup2;' => "\xC2\xB2", 'sup3' => "\xC2\xB3", 'sup3;' => "\xC2\xB3", 'supe;' => "\xE2\x8A\x87", 'szlig' => "\xC3\x9F", 'szlig;' => "\xC3\x9F", 'Tau;' => "\xCE\xA4", 'tau;' => "\xCF\x84", 'there4;' => "\xE2\x88\xB4", 'Theta;' => "\xCE\x98", 'theta;' => "\xCE\xB8", 'thetasym;' => "\xCF\x91", 'thinsp;' => "\xE2\x80\x89", 'THORN' => "\xC3\x9E", 'thorn' => "\xC3\xBE", 'THORN;' => "\xC3\x9E", 'thorn;' => "\xC3\xBE", 'tilde;' => "\xCB\x9C", 'times' => "\xC3\x97", 'times;' => "\xC3\x97", 'TRADE;' => "\xE2\x84\xA2", 'trade;' => "\xE2\x84\xA2", 'Uacute' => "\xC3\x9A", 'uacute' => "\xC3\xBA", 'Uacute;' => "\xC3\x9A", 'uacute;' => "\xC3\xBA", 'uArr;' => "\xE2\x87\x91", 'uarr;' => "\xE2\x86\x91", 'Ucirc' => "\xC3\x9B", 'ucirc' => "\xC3\xBB", 'Ucirc;' => "\xC3\x9B", 'ucirc;' => "\xC3\xBB", 'Ugrave' => "\xC3\x99", 'ugrave' => "\xC3\xB9", 'Ugrave;' => "\xC3\x99", 'ugrave;' => "\xC3\xB9", 'uml' => "\xC2\xA8", 'uml;' => "\xC2\xA8", 'upsih;' => "\xCF\x92", 'Upsilon;' => "\xCE\xA5", 'upsilon;' => "\xCF\x85", 'Uuml' => "\xC3\x9C", 'uuml' => "\xC3\xBC", 'Uuml;' => "\xC3\x9C", 'uuml;' => "\xC3\xBC", 'weierp;' => "\xE2\x84\x98", 'Xi;' => "\xCE\x9E", 'xi;' => "\xCE\xBE", 'Yacute' => "\xC3\x9D", 'yacute' => "\xC3\xBD", 'Yacute;' => "\xC3\x9D", 'yacute;' => "\xC3\xBD", 'yen' => "\xC2\xA5", 'yen;' => "\xC2\xA5", 'yuml' => "\xC3\xBF", 'Yuml;' => "\xC5\xB8", 'yuml;' => "\xC3\xBF", 'Zeta;' => "\xCE\x96", 'zeta;' => "\xCE\xB6", 'zwj;' => "\xE2\x80\x8D", 'zwnj;' => "\xE2\x80\x8C");
10827
10828 for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++)
10829 {
10830 $consumed = substr($this->consumed, 1);
10831 if (isset($entities[$consumed]))
10832 {
10833 $match = $consumed;
10834 }
10835 }
10836
10837 if ($match !== null)
10838 {
10839 $this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1);
10840 $this->position += strlen($entities[$match]) - strlen($consumed) - 1;
10841 }
10842 break;
10843 }
10844 }
10845 }
10846
10847 /**
10848 * Date Parser
10849 *
10850 * @package SimplePie
10851 */
10852 class SimplePie_Parse_Date
10853 {
10854 /**
10855 * Input data
10856 *
10857 * @access protected
10858 * @var string
10859 */
10860 var $date;
10861
10862 /**
10863 * List of days, calendar day name => ordinal day number in the week
10864 *
10865 * @access protected
10866 * @var array
10867 */
10868 var $day = array(
10869 // English
10870 'mon' => 1,
10871 'monday' => 1,
10872 'tue' => 2,
10873 'tuesday' => 2,
10874 'wed' => 3,
10875 'wednesday' => 3,
10876 'thu' => 4,
10877 'thursday' => 4,
10878 'fri' => 5,
10879 'friday' => 5,
10880 'sat' => 6,
10881 'saturday' => 6,
10882 'sun' => 7,
10883 'sunday' => 7,
10884 // Dutch
10885 'maandag' => 1,
10886 'dinsdag' => 2,
10887 'woensdag' => 3,
10888 'donderdag' => 4,
10889 'vrijdag' => 5,
10890 'zaterdag' => 6,
10891 'zondag' => 7,
10892 // French
10893 'lundi' => 1,
10894 'mardi' => 2,
10895 'mercredi' => 3,
10896 'jeudi' => 4,
10897 'vendredi' => 5,
10898 'samedi' => 6,
10899 'dimanche' => 7,
10900 // German
10901 'montag' => 1,
10902 'dienstag' => 2,
10903 'mittwoch' => 3,
10904 'donnerstag' => 4,
10905 'freitag' => 5,
10906 'samstag' => 6,
10907 'sonnabend' => 6,
10908 'sonntag' => 7,
10909 // Italian
10910 'lunedì' => 1,
10911 'martedì' => 2,
10912 'mercoledì' => 3,
10913 'giovedì' => 4,
10914 'venerdì' => 5,
10915 'sabato' => 6,
10916 'domenica' => 7,
10917 // Spanish
10918 'lunes' => 1,
10919 'martes' => 2,
10920 'miércoles' => 3,
10921 'jueves' => 4,
10922 'viernes' => 5,
10923 'sábado' => 6,
10924 'domingo' => 7,
10925 // Finnish
10926 'maanantai' => 1,
10927 'tiistai' => 2,
10928 'keskiviikko' => 3,
10929 'torstai' => 4,
10930 'perjantai' => 5,
10931 'lauantai' => 6,
10932 'sunnuntai' => 7,
10933 // Hungarian
10934 'hétfő' => 1,
10935 'kedd' => 2,
10936 'szerda' => 3,
10937 'csütörtok' => 4,
10938 'péntek' => 5,
10939 'szombat' => 6,
10940 'vasárnap' => 7,
10941 // Greek
10942 'Δευ' => 1,
10943 'Τρι' => 2,
10944 'Τετ' => 3,
10945 'Πεμ' => 4,
10946 'Παρ' => 5,
10947 'Σαβ' => 6,
10948 'Κυρ' => 7,
10949 );
10950
10951 /**
10952 * List of months, calendar month name => calendar month number
10953 *
10954 * @access protected
10955 * @var array
10956 */
10957 var $month = array(
10958 // English
10959 'jan' => 1,
10960 'january' => 1,
10961 'feb' => 2,
10962 'february' => 2,
10963 'mar' => 3,
10964 'march' => 3,
10965 'apr' => 4,
10966 'april' => 4,
10967 'may' => 5,
10968 // No long form of May
10969 'jun' => 6,
10970 'june' => 6,
10971 'jul' => 7,
10972 'july' => 7,
10973 'aug' => 8,
10974 'august' => 8,
10975 'sep' => 9,
10976 'september' => 8,
10977 'oct' => 10,
10978 'october' => 10,
10979 'nov' => 11,
10980 'november' => 11,
10981 'dec' => 12,
10982 'december' => 12,
10983 // Dutch
10984 'januari' => 1,
10985 'februari' => 2,
10986 'maart' => 3,
10987 'april' => 4,
10988 'mei' => 5,
10989 'juni' => 6,
10990 'juli' => 7,
10991 'augustus' => 8,
10992 'september' => 9,
10993 'oktober' => 10,
10994 'november' => 11,
10995 'december' => 12,
10996 // French
10997 'janvier' => 1,
10998 'février' => 2,
10999 'mars' => 3,
11000 'avril' => 4,
11001 'mai' => 5,
11002 'juin' => 6,
11003 'juillet' => 7,
11004 'août' => 8,
11005 'septembre' => 9,
11006 'octobre' => 10,
11007 'novembre' => 11,
11008 'décembre' => 12,
11009 // German
11010 'januar' => 1,
11011 'februar' => 2,
11012 'märz' => 3,
11013 'april' => 4,
11014 'mai' => 5,
11015 'juni' => 6,
11016 'juli' => 7,
11017 'august' => 8,
11018 'september' => 9,
11019 'oktober' => 10,
11020 'november' => 11,
11021 'dezember' => 12,
11022 // Italian
11023 'gennaio' => 1,
11024 'febbraio' => 2,
11025 'marzo' => 3,
11026 'aprile' => 4,
11027 'maggio' => 5,
11028 'giugno' => 6,
11029 'luglio' => 7,
11030 'agosto' => 8,
11031 'settembre' => 9,
11032 'ottobre' => 10,
11033 'novembre' => 11,
11034 'dicembre' => 12,
11035 // Spanish
11036 'enero' => 1,
11037 'febrero' => 2,
11038 'marzo' => 3,
11039 'abril' => 4,
11040 'mayo' => 5,
11041 'junio' => 6,
11042 'julio' => 7,
11043 'agosto' => 8,
11044 'septiembre' => 9,
11045 'setiembre' => 9,
11046 'octubre' => 10,
11047 'noviembre' => 11,
11048 'diciembre' => 12,
11049 // Finnish
11050 'tammikuu' => 1,
11051 'helmikuu' => 2,
11052 'maaliskuu' => 3,
11053 'huhtikuu' => 4,
11054 'toukokuu' => 5,
11055 'kesäkuu' => 6,
11056 'heinäkuu' => 7,
11057 'elokuu' => 8,
11058 'suuskuu' => 9,
11059 'lokakuu' => 10,
11060 'marras' => 11,
11061 'joulukuu' => 12,
11062 // Hungarian
11063 'január' => 1,
11064 'február' => 2,
11065 'március' => 3,
11066 'április' => 4,
11067 'május' => 5,
11068 'június' => 6,
11069 'július' => 7,
11070 'augusztus' => 8,
11071 'szeptember' => 9,
11072 'október' => 10,
11073 'november' => 11,
11074 'december' => 12,
11075 // Greek
11076 'Ιαν' => 1,
11077 'Φεβ' => 2,
11078 'Μάώ' => 3,
11079 'Μαώ' => 3,
11080 'Απρ' => 4,
11081 'Μάι' => 5,
11082 'Μαϊ' => 5,
11083 'Μαι' => 5,
11084 'Ιούν' => 6,
11085 'Ιον' => 6,
11086 'Ιούλ' => 7,
11087 'Ιολ' => 7,
11088 'Αύγ' => 8,
11089 'Αυγ' => 8,
11090 'Σεπ' => 9,
11091 'Οκτ' => 10,
11092 'Νοέ' => 11,
11093 'Δεκ' => 12,
11094 );
11095
11096 /**
11097 * List of timezones, abbreviation => offset from UTC
11098 *
11099 * @access protected
11100 * @var array
11101 */
11102 var $timezone = array(
11103 'ACDT' => 37800,
11104 'ACIT' => 28800,
11105 'ACST' => 34200,
11106 'ACT' => -18000,
11107 'ACWDT' => 35100,
11108 'ACWST' => 31500,
11109 'AEDT' => 39600,
11110 'AEST' => 36000,
11111 'AFT' => 16200,
11112 'AKDT' => -28800,
11113 'AKST' => -32400,
11114 'AMDT' => 18000,
11115 'AMT' => -14400,
11116 'ANAST' => 46800,
11117 'ANAT' => 43200,
11118 'ART' => -10800,
11119 'AZOST' => -3600,
11120 'AZST' => 18000,
11121 'AZT' => 14400,
11122 'BIOT' => 21600,
11123 'BIT' => -43200,
11124 'BOT' => -14400,
11125 'BRST' => -7200,
11126 'BRT' => -10800,
11127 'BST' => 3600,
11128 'BTT' => 21600,
11129 'CAST' => 18000,
11130 'CAT' => 7200,
11131 'CCT' => 23400,
11132 'CDT' => -18000,
11133 'CEDT' => 7200,
11134 'CET' => 3600,
11135 'CGST' => -7200,
11136 'CGT' => -10800,
11137 'CHADT' => 49500,
11138 'CHAST' => 45900,
11139 'CIST' => -28800,
11140 'CKT' => -36000,
11141 'CLDT' => -10800,
11142 'CLST' => -14400,
11143 'COT' => -18000,
11144 'CST' => -21600,
11145 'CVT' => -3600,
11146 'CXT' => 25200,
11147 'DAVT' => 25200,
11148 'DTAT' => 36000,
11149 'EADT' => -18000,
11150 'EAST' => -21600,
11151 'EAT' => 10800,
11152 'ECT' => -18000,
11153 'EDT' => -14400,
11154 'EEST' => 10800,
11155 'EET' => 7200,
11156 'EGT' => -3600,
11157 'EKST' => 21600,
11158 'EST' => -18000,
11159 'FJT' => 43200,
11160 'FKDT' => -10800,
11161 'FKST' => -14400,
11162 'FNT' => -7200,
11163 'GALT' => -21600,
11164 'GEDT' => 14400,
11165 'GEST' => 10800,
11166 'GFT' => -10800,
11167 'GILT' => 43200,
11168 'GIT' => -32400,
11169 'GST' => 14400,
11170 'GST' => -7200,
11171 'GYT' => -14400,
11172 'HAA' => -10800,
11173 'HAC' => -18000,
11174 'HADT' => -32400,
11175 'HAE' => -14400,
11176 'HAP' => -25200,
11177 'HAR' => -21600,
11178 'HAST' => -36000,
11179 'HAT' => -9000,
11180 'HAY' => -28800,
11181 'HKST' => 28800,
11182 'HMT' => 18000,
11183 'HNA' => -14400,
11184 'HNC' => -21600,
11185 'HNE' => -18000,
11186 'HNP' => -28800,
11187 'HNR' => -25200,
11188 'HNT' => -12600,
11189 'HNY' => -32400,
11190 'IRDT' => 16200,
11191 'IRKST' => 32400,
11192 'IRKT' => 28800,
11193 'IRST' => 12600,
11194 'JFDT' => -10800,
11195 'JFST' => -14400,
11196 'JST' => 32400,
11197 'KGST' => 21600,
11198 'KGT' => 18000,
11199 'KOST' => 39600,
11200 'KOVST' => 28800,
11201 'KOVT' => 25200,
11202 'KRAST' => 28800,
11203 'KRAT' => 25200,
11204 'KST' => 32400,
11205 'LHDT' => 39600,
11206 'LHST' => 37800,
11207 'LINT' => 50400,
11208 'LKT' => 21600,
11209 'MAGST' => 43200,
11210 'MAGT' => 39600,
11211 'MAWT' => 21600,
11212 'MDT' => -21600,
11213 'MESZ' => 7200,
11214 'MEZ' => 3600,
11215 'MHT' => 43200,
11216 'MIT' => -34200,
11217 'MNST' => 32400,
11218 'MSDT' => 14400,
11219 'MSST' => 10800,
11220 'MST' => -25200,
11221 'MUT' => 14400,
11222 'MVT' => 18000,
11223 'MYT' => 28800,
11224 'NCT' => 39600,
11225 'NDT' => -9000,
11226 'NFT' => 41400,
11227 'NMIT' => 36000,
11228 'NOVST' => 25200,
11229 'NOVT' => 21600,
11230 'NPT' => 20700,
11231 'NRT' => 43200,
11232 'NST' => -12600,
11233 'NUT' => -39600,
11234 'NZDT' => 46800,
11235 'NZST' => 43200,
11236 'OMSST' => 25200,
11237 'OMST' => 21600,
11238 'PDT' => -25200,
11239 'PET' => -18000,
11240 'PETST' => 46800,
11241 'PETT' => 43200,
11242 'PGT' => 36000,
11243 'PHOT' => 46800,
11244 'PHT' => 28800,
11245 'PKT' => 18000,
11246 'PMDT' => -7200,
11247 'PMST' => -10800,
11248 'PONT' => 39600,
11249 'PST' => -28800,
11250 'PWT' => 32400,
11251 'PYST' => -10800,
11252 'PYT' => -14400,
11253 'RET' => 14400,
11254 'ROTT' => -10800,
11255 'SAMST' => 18000,
11256 'SAMT' => 14400,
11257 'SAST' => 7200,
11258 'SBT' => 39600,
11259 'SCDT' => 46800,
11260 'SCST' => 43200,
11261 'SCT' => 14400,
11262 'SEST' => 3600,
11263 'SGT' => 28800,
11264 'SIT' => 28800,
11265 'SRT' => -10800,
11266 'SST' => -39600,
11267 'SYST' => 10800,
11268 'SYT' => 7200,
11269 'TFT' => 18000,
11270 'THAT' => -36000,
11271 'TJT' => 18000,
11272 'TKT' => -36000,
11273 'TMT' => 18000,
11274 'TOT' => 46800,
11275 'TPT' => 32400,
11276 'TRUT' => 36000,
11277 'TVT' => 43200,
11278 'TWT' => 28800,
11279 'UYST' => -7200,
11280 'UYT' => -10800,
11281 'UZT' => 18000,
11282 'VET' => -14400,
11283 'VLAST' => 39600,
11284 'VLAT' => 36000,
11285 'VOST' => 21600,
11286 'VUT' => 39600,
11287 'WAST' => 7200,
11288 'WAT' => 3600,
11289 'WDT' => 32400,
11290 'WEST' => 3600,
11291 'WFT' => 43200,
11292 'WIB' => 25200,
11293 'WIT' => 32400,
11294 'WITA' => 28800,
11295 'WKST' => 18000,
11296 'WST' => 28800,
11297 'YAKST' => 36000,
11298 'YAKT' => 32400,
11299 'YAPT' => 36000,
11300 'YEKST' => 21600,
11301 'YEKT' => 18000,
11302 );
11303
11304 /**
11305 * Cached PCRE for SimplePie_Parse_Date::$day
11306 *
11307 * @access protected
11308 * @var string
11309 */
11310 var $day_pcre;
11311
11312 /**
11313 * Cached PCRE for SimplePie_Parse_Date::$month
11314 *
11315 * @access protected
11316 * @var string
11317 */
11318 var $month_pcre;
11319
11320 /**
11321 * Array of user-added callback methods
11322 *
11323 * @access private
11324 * @var array
11325 */
11326 var $built_in = array();
11327
11328 /**
11329 * Array of user-added callback methods
11330 *
11331 * @access private
11332 * @var array
11333 */
11334 var $user = array();
11335
11336 /**
11337 * Create new SimplePie_Parse_Date object, and set self::day_pcre,
11338 * self::month_pcre, and self::built_in
11339 *
11340 * @access private
11341 */
11342 function SimplePie_Parse_Date()
11343 {
11344 $this->day_pcre = '(' . implode(array_keys($this->day), '|') . ')';
11345 $this->month_pcre = '(' . implode(array_keys($this->month), '|') . ')';
11346
11347 static $cache;
11348 if (!isset($cache[get_class($this)]))
11349 {
11350 if (extension_loaded('Reflection'))
11351 {
11352 $class = new ReflectionClass(get_class($this));
11353 $methods = $class->getMethods();
11354 $all_methods = array();
11355 foreach ($methods as $method)
11356 {
11357 $all_methods[] = $method->getName();
11358 }
11359 }
11360 else
11361 {
11362 $all_methods = get_class_methods($this);
11363 }
11364
11365 foreach ($all_methods as $method)
11366 {
11367 if (strtolower(substr($method, 0, 5)) === 'date_')
11368 {
11369 $cache[get_class($this)][] = $method;
11370 }
11371 }
11372 }
11373
11374 foreach ($cache[get_class($this)] as $method)
11375 {
11376 $this->built_in[] = $method;
11377 }
11378 }
11379
11380 /**
11381 * Get the object
11382 *
11383 * @access public
11384 */
11385 function get()
11386 {
11387 static $object;
11388 if (!$object)
11389 {
11390 $object = new SimplePie_Parse_Date;
11391 }
11392 return $object;
11393 }
11394
11395 /**
11396 * Parse a date
11397 *
11398 * @final
11399 * @access public
11400 * @param string $date Date to parse
11401 * @return int Timestamp corresponding to date string, or false on failure
11402 */
11403 function parse($date)
11404 {
11405 foreach ($this->user as $method)
11406 {
11407 if (($returned = call_user_func($method, $date)) !== false)
11408 {
11409 return $returned;
11410 }
11411 }
11412
11413 foreach ($this->built_in as $method)
11414 {
11415 if (($returned = call_user_func(array(&$this, $method), $date)) !== false)
11416 {
11417 return $returned;
11418 }
11419 }
11420
11421 return false;
11422 }
11423
11424 /**
11425 * Add a callback method to parse a date
11426 *
11427 * @final
11428 * @access public
11429 * @param callback $callback
11430 */
11431 function add_callback($callback)
11432 {
11433 if (is_callable($callback))
11434 {
11435 $this->user[] = $callback;
11436 }
11437 else
11438 {
11439 trigger_error('User-supplied function must be a valid callback', E_USER_WARNING);
11440 }
11441 }
11442
11443 /**
11444 * Parse a superset of W3C-DTF (allows hyphens and colons to be omitted, as
11445 * well as allowing any of upper or lower case "T", horizontal tabs, or
11446 * spaces to be used as the time seperator (including more than one))
11447 *
11448 * @access protected
11449 * @return int Timestamp
11450 */
11451 function date_w3cdtf($date)
11452 {
11453 static $pcre;
11454 if (!$pcre)
11455 {
11456 $year = '([0-9]{4})';
11457 $month = $day = $hour = $minute = $second = '([0-9]{2})';
11458 $decimal = '([0-9]*)';
11459 $zone = '(?:(Z)|([+\-])([0-9]{1,2}):?([0-9]{1,2}))';
11460 $pcre = '/^' . $year . '(?:-?' . $month . '(?:-?' . $day . '(?:[Tt\x09\x20]+' . $hour . '(?::?' . $minute . '(?::?' . $second . '(?:.' . $decimal . ')?)?)?' . $zone . ')?)?)?$/';
11461 }
11462 if (preg_match($pcre, $date, $match))
11463 {
11464 /*
11465 Capturing subpatterns:
11466 1: Year
11467 2: Month
11468 3: Day
11469 4: Hour
11470 5: Minute
11471 6: Second
11472 7: Decimal fraction of a second
11473 8: Zulu
11474 9: Timezone ±
11475 10: Timezone hours
11476 11: Timezone minutes
11477 */
11478
11479 // Fill in empty matches
11480 for ($i = count($match); $i <= 3; $i++)
11481 {
11482 $match[$i] = '1';
11483 }
11484
11485 for ($i = count($match); $i <= 7; $i++)
11486 {
11487 $match[$i] = '0';
11488 }
11489
11490 // Numeric timezone
11491 if (isset($match[9]) && $match[9] !== '')
11492 {
11493 $timezone = $match[10] * 3600;
11494 $timezone += $match[11] * 60;
11495 if ($match[9] === '-')
11496 {
11497 $timezone = 0 - $timezone;
11498 }
11499 }
11500 else
11501 {
11502 $timezone = 0;
11503 }
11504
11505 // Convert the number of seconds to an integer, taking decimals into account
11506 $second = round($match[6] + $match[7] / pow(10, strlen($match[7])));
11507
11508 return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone;
11509 }
11510 else
11511 {
11512 return false;
11513 }
11514 }
11515
11516 /**
11517 * Remove RFC822 comments
11518 *
11519 * @access protected
11520 * @param string $data Data to strip comments from
11521 * @return string Comment stripped string
11522 */
11523 function remove_rfc2822_comments($string)
11524 {
11525 $string = (string) $string;
11526 $position = 0;
11527 $length = strlen($string);
11528 $depth = 0;
11529
11530 $output = '';
11531
11532 while ($position < $length && ($pos = strpos($string, '(', $position)) !== false)
11533 {
11534 $output .= substr($string, $position, $pos - $position);
11535 $position = $pos + 1;
11536 if ($string[$pos - 1] !== '\\')
11537 {
11538 $depth++;
11539 while ($depth && $position < $length)
11540 {
11541 $position += strcspn($string, '()', $position);
11542 if ($string[$position - 1] === '\\')
11543 {
11544 $position++;
11545 continue;
11546 }
11547 elseif (isset($string[$position]))
11548 {
11549 switch ($string[$position])
11550 {
11551 case '(':
11552 $depth++;
11553 break;
11554
11555 case ')':
11556 $depth--;
11557 break;
11558 }
11559 $position++;
11560 }
11561 else
11562 {
11563 break;
11564 }
11565 }
11566 }
11567 else
11568 {
11569 $output .= '(';
11570 }
11571 }
11572 $output .= substr($string, $position);
11573
11574 return $output;
11575 }
11576
11577 /**
11578 * Parse RFC2822's date format
11579 *
11580 * @access protected
11581 * @return int Timestamp
11582 */
11583 function date_rfc2822($date)
11584 {
11585 static $pcre;
11586 if (!$pcre)
11587 {
11588 $wsp = '[\x09\x20]';
11589 $fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)';
11590 $optional_fws = $fws . '?';
11591 $day_name = $this->day_pcre;
11592 $month = $this->month_pcre;
11593 $day = '([0-9]{1,2})';
11594 $hour = $minute = $second = '([0-9]{2})';
11595 $year = '([0-9]{2,4})';
11596 $num_zone = '([+\-])([0-9]{2})([0-9]{2})';
11597 $character_zone = '([A-Z]{1,5})';
11598 $zone = '(?:' . $num_zone . '|' . $character_zone . ')';
11599 $pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i';
11600 }
11601 if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match))
11602 {
11603 /*
11604 Capturing subpatterns:
11605 1: Day name
11606 2: Day
11607 3: Month
11608 4: Year
11609 5: Hour
11610 6: Minute
11611 7: Second
11612 8: Timezone ±
11613 9: Timezone hours
11614 10: Timezone minutes
11615 11: Alphabetic timezone
11616 */
11617
11618 // Find the month number
11619 $month = $this->month[strtolower($match[3])];
11620
11621 // Numeric timezone
11622 if ($match[8] !== '')
11623 {
11624 $timezone = $match[9] * 3600;
11625 $timezone += $match[10] * 60;
11626 if ($match[8] === '-')
11627 {
11628 $timezone = 0 - $timezone;
11629 }
11630 }
11631 // Character timezone
11632 elseif (isset($this->timezone[strtoupper($match[11])]))
11633 {
11634 $timezone = $this->timezone[strtoupper($match[11])];
11635 }
11636 // Assume everything else to be -0000
11637 else
11638 {
11639 $timezone = 0;
11640 }
11641
11642 // Deal with 2/3 digit years
11643 if ($match[4] < 50)
11644 {
11645 $match[4] += 2000;
11646 }
11647 elseif ($match[4] < 1000)
11648 {
11649 $match[4] += 1900;
11650 }
11651
11652 // Second is optional, if it is empty set it to zero
11653 if ($match[7] !== '')
11654 {
11655 $second = $match[7];
11656 }
11657 else
11658 {
11659 $second = 0;
11660 }
11661
11662 return gmmktime($match[5], $match[6], $second, $month, $match[2], $match[4]) - $timezone;
11663 }
11664 else
11665 {
11666 return false;
11667 }
11668 }
11669
11670 /**
11671 * Parse RFC850's date format
11672 *
11673 * @access protected
11674 * @return int Timestamp
11675 */
11676 function date_rfc850($date)
11677 {
11678 static $pcre;
11679 if (!$pcre)
11680 {
11681 $space = '[\x09\x20]+';
11682 $day_name = $this->day_pcre;
11683 $month = $this->month_pcre;
11684 $day = '([0-9]{1,2})';
11685 $year = $hour = $minute = $second = '([0-9]{2})';
11686 $zone = '([A-Z]{1,5})';
11687 $pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i';
11688 }
11689 if (preg_match($pcre, $date, $match))
11690 {
11691 /*
11692 Capturing subpatterns:
11693 1: Day name
11694 2: Day
11695 3: Month
11696 4: Year
11697 5: Hour
11698 6: Minute
11699 7: Second
11700 8: Timezone
11701 */
11702
11703 // Month
11704 $month = $this->month[strtolower($match[3])];
11705
11706 // Character timezone
11707 if (isset($this->timezone[strtoupper($match[8])]))
11708 {
11709 $timezone = $this->timezone[strtoupper($match[8])];
11710 }
11711 // Assume everything else to be -0000
11712 else
11713 {
11714 $timezone = 0;
11715 }
11716
11717 // Deal with 2 digit year
11718 if ($match[4] < 50)
11719 {
11720 $match[4] += 2000;
11721 }
11722 else
11723 {
11724 $match[4] += 1900;
11725 }
11726
11727 return gmmktime($match[5], $match[6], $match[7], $month, $match[2], $match[4]) - $timezone;
11728 }
11729 else
11730 {
11731 return false;
11732 }
11733 }
11734
11735 /**
11736 * Parse C99's asctime()'s date format
11737 *
11738 * @access protected
11739 * @return int Timestamp
11740 */
11741 function date_asctime($date)
11742 {
11743 static $pcre;
11744 if (!$pcre)
11745 {
11746 $space = '[\x09\x20]+';
11747 $wday_name = $this->day_pcre;
11748 $mon_name = $this->month_pcre;
11749 $day = '([0-9]{1,2})';
11750 $hour = $sec = $min = '([0-9]{2})';
11751 $year = '([0-9]{4})';
11752 $terminator = '\x0A?\x00?';
11753 $pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i';
11754 }
11755 if (preg_match($pcre, $date, $match))
11756 {
11757 /*
11758 Capturing subpatterns:
11759 1: Day name
11760 2: Month
11761 3: Day
11762 4: Hour
11763 5: Minute
11764 6: Second
11765 7: Year
11766 */
11767
11768 $month = $this->month[strtolower($match[2])];
11769 return gmmktime($match[4], $match[5], $match[6], $month, $match[3], $match[7]);
11770 }
11771 else
11772 {
11773 return false;
11774 }
11775 }
11776
11777 /**
11778 * Parse dates using strtotime()
11779 *
11780 * @access protected
11781 * @return int Timestamp
11782 */
11783 function date_strtotime($date)
11784 {
11785 $strtotime = strtotime($date);
11786 if ($strtotime === -1 || $strtotime === false)
11787 {
11788 return false;
11789 }
11790 else
11791 {
11792 return $strtotime;
11793 }
11794 }
11795 }
11796
11797 /**
11798 * Content-type sniffing
11799 *
11800 * @package SimplePie
11801 */
11802 class SimplePie_Content_Type_Sniffer
11803 {
11804 /**
11805 * File object
11806 *
11807 * @var SimplePie_File
11808 * @access private
11809 */
11810 var $file;
11811
11812 /**
11813 * Create an instance of the class with the input file
11814 *
11815 * @access public
11816 * @param SimplePie_Content_Type_Sniffer $file Input file
11817 */
11818 function SimplePie_Content_Type_Sniffer($file)
11819 {
11820 $this->file = $file;
11821 }
11822
11823 /**
11824 * Get the Content-Type of the specified file
11825 *
11826 * @access public
11827 * @return string Actual Content-Type
11828 */
11829 function get_type()
11830 {
11831 if (isset($this->file->headers['content-type']))
11832 {
11833 if (!isset($this->file->headers['content-encoding'])
11834 && ($this->file->headers['content-type'] === 'text/plain'
11835 || $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1'
11836 || $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1'))
11837 {
11838 return $this->text_or_binary();
11839 }
11840
11841 if (($pos = strpos($this->file->headers['content-type'], ';')) !== false)
11842 {
11843 $official = substr($this->file->headers['content-type'], 0, $pos);
11844 }
11845 else
11846 {
11847 $official = $this->file->headers['content-type'];
11848 }
11849 $official = strtolower($official);
11850
11851 if ($official === 'unknown/unknown'
11852 || $official === 'application/unknown')
11853 {
11854 return $this->unknown();
11855 }
11856 elseif (substr($official, -4) === '+xml'
11857 || $official === 'text/xml'
11858 || $official === 'application/xml')
11859 {
11860 return $official;
11861 }
11862 elseif (substr($official, 0, 6) === 'image/')
11863 {
11864 if ($return = $this->image())
11865 {
11866 return $return;
11867 }
11868 else
11869 {
11870 return $official;
11871 }
11872 }
11873 elseif ($official === 'text/html')
11874 {
11875 return $this->feed_or_html();
11876 }
11877 else
11878 {
11879 return $official;
11880 }
11881 }
11882 else
11883 {
11884 return $this->unknown();
11885 }
11886 }
11887
11888 /**
11889 * Sniff text or binary
11890 *
11891 * @access private
11892 * @return string Actual Content-Type
11893 */
11894 function text_or_binary()
11895 {
11896 if (substr($this->file->body, 0, 2) === "\xFE\xFF"
11897 || substr($this->file->body, 0, 2) === "\xFF\xFE"
11898 || substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF"
11899 || substr($this->file->body, 0, 3) === "\xEF\xBB\xBF")
11900 {
11901 return 'text/plain';
11902 }
11903 elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body))
11904 {
11905 return 'application/octect-stream';
11906 }
11907 else
11908 {
11909 return 'text/plain';
11910 }
11911 }
11912
11913 /**
11914 * Sniff unknown
11915 *
11916 * @access private
11917 * @return string Actual Content-Type
11918 */
11919 function unknown()
11920 {
11921 $ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20");
11922 if (strtolower(substr($this->file->body, $ws, 14)) === '<!doctype html'
11923 || strtolower(substr($this->file->body, $ws, 5)) === '<html'
11924 || strtolower(substr($this->file->body, $ws, 7)) === '<script')
11925 {
11926 return 'text/html';
11927 }
11928 elseif (substr($this->file->body, 0, 5) === '%PDF-')
11929 {
11930 return 'application/pdf';
11931 }
11932 elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-')
11933 {
11934 return 'application/postscript';
11935 }
11936 elseif (substr($this->file->body, 0, 6) === 'GIF87a'
11937 || substr($this->file->body, 0, 6) === 'GIF89a')
11938 {
11939 return 'image/gif';
11940 }
11941 elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
11942 {
11943 return 'image/png';
11944 }
11945 elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
11946 {
11947 return 'image/jpeg';
11948 }
11949 elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
11950 {
11951 return 'image/bmp';
11952 }
11953 else
11954 {
11955 return $this->text_or_binary();
11956 }
11957 }
11958
11959 /**
11960 * Sniff images
11961 *
11962 * @access private
11963 * @return string Actual Content-Type
11964 */
11965 function image()
11966 {
11967 if (substr($this->file->body, 0, 6) === 'GIF87a'
11968 || substr($this->file->body, 0, 6) === 'GIF89a')
11969 {
11970 return 'image/gif';
11971 }
11972 elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A")
11973 {
11974 return 'image/png';
11975 }
11976 elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF")
11977 {
11978 return 'image/jpeg';
11979 }
11980 elseif (substr($this->file->body, 0, 2) === "\x42\x4D")
11981 {
11982 return 'image/bmp';
11983 }
11984 else
11985 {
11986 return false;
11987 }
11988 }
11989
11990 /**
11991 * Sniff HTML
11992 *
11993 * @access private
11994 * @return string Actual Content-Type
11995 */
11996 function feed_or_html()
11997 {
11998 $len = strlen($this->file->body);
11999 $pos = strspn($this->file->body, "\x09\x0A\x0D\x20");
12000
12001 while ($pos < $len)
12002 {
12003 switch ($this->file->body[$pos])
12004 {
12005 case "\x09":
12006 case "\x0A":
12007 case "\x0D":
12008 case "\x20":
12009 $pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos);
12010 continue 2;
12011
12012 case '<':
12013 $pos++;
12014 break;
12015
12016 default:
12017 return 'text/html';
12018 }
12019
12020 if (substr($this->file->body, $pos, 3) === '!--')
12021 {
12022 $pos += 3;
12023 if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false)
12024 {
12025 $pos += 3;
12026 }
12027 else
12028 {
12029 return 'text/html';
12030 }
12031 }
12032 elseif (substr($this->file->body, $pos, 1) === '!')
12033 {
12034 if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false)
12035 {
12036 $pos++;
12037 }
12038 else
12039 {
12040 return 'text/html';
12041 }
12042 }
12043 elseif (substr($this->file->body, $pos, 1) === '?')
12044 {
12045 if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false)
12046 {
12047 $pos += 2;
12048 }
12049 else
12050 {
12051 return 'text/html';
12052 }
12053 }
12054 elseif (substr($this->file->body, $pos, 3) === 'rss'
12055 || substr($this->file->body, $pos, 7) === 'rdf:RDF')
12056 {
12057 return 'application/rss+xml';
12058 }
12059 elseif (substr($this->file->body, $pos, 4) === 'feed')
12060 {
12061 return 'application/atom+xml';
12062 }
12063 else
12064 {
12065 return 'text/html';
12066 }
12067 }
12068
12069 return 'text/html';
12070 }
12071 }
12072
12073 /**
12074 * Parses the XML Declaration
12075 *
12076 * @package SimplePie
12077 */
12078 class SimplePie_XML_Declaration_Parser
12079 {
12080 /**
12081 * XML Version
12082 *
12083 * @access public
12084 * @var string
12085 */
12086 var $version = '1.0';
12087
12088 /**
12089 * Encoding
12090 *
12091 * @access public
12092 * @var string
12093 */
12094 var $encoding = 'UTF-8';
12095
12096 /**
12097 * Standalone
12098 *
12099 * @access public
12100 * @var bool
12101 */
12102 var $standalone = false;
12103
12104 /**
12105 * Current state of the state machine
12106 *
12107 * @access private
12108 * @var string
12109 */
12110 var $state = 'before_version_name';
12111
12112 /**
12113 * Input data
12114 *
12115 * @access private
12116 * @var string
12117 */
12118 var $data = '';
12119
12120 /**
12121 * Input data length (to avoid calling strlen() everytime this is needed)
12122 *
12123 * @access private
12124 * @var int
12125 */
12126 var $data_length = 0;
12127
12128 /**
12129 * Current position of the pointer
12130 *
12131 * @var int
12132 * @access private
12133 */
12134 var $position = 0;
12135
12136 /**
12137 * Create an instance of the class with the input data
12138 *
12139 * @access public
12140 * @param string $data Input data
12141 */
12142 function SimplePie_XML_Declaration_Parser($data)
12143 {
12144 $this->data = $data;
12145 $this->data_length = strlen($this->data);
12146 }
12147
12148 /**
12149 * Parse the input data
12150 *
12151 * @access public
12152 * @return bool true on success, false on failure
12153 */
12154 function parse()
12155 {
12156 while ($this->state && $this->state !== 'emit' && $this->has_data())
12157 {
12158 $state = $this->state;
12159 $this->$state();
12160 }
12161 $this->data = '';
12162 if ($this->state === 'emit')
12163 {
12164 return true;
12165 }
12166 else
12167 {
12168 $this->version = '';
12169 $this->encoding = '';
12170 $this->standalone = '';
12171 return false;
12172 }
12173 }
12174
12175 /**
12176 * Check whether there is data beyond the pointer
12177 *
12178 * @access private
12179 * @return bool true if there is further data, false if not
12180 */
12181 function has_data()
12182 {
12183 return (bool) ($this->position < $this->data_length);
12184 }
12185
12186 /**
12187 * Advance past any whitespace
12188 *
12189 * @return int Number of whitespace characters passed
12190 */
12191 function skip_whitespace()
12192 {
12193 $whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position);
12194 $this->position += $whitespace;
12195 return $whitespace;
12196 }
12197
12198 /**
12199 * Read value
12200 */
12201 function get_value()
12202 {
12203 $quote = substr($this->data, $this->position, 1);
12204 if ($quote === '"' || $quote === "'")
12205 {
12206 $this->position++;
12207 $len = strcspn($this->data, $quote, $this->position);
12208 if ($this->has_data())
12209 {
12210 $value = substr($this->data, $this->position, $len);
12211 $this->position += $len + 1;
12212 return $value;
12213 }
12214 }
12215 return false;
12216 }
12217
12218 function before_version_name()
12219 {
12220 if ($this->skip_whitespace())
12221 {
12222 $this->state = 'version_name';
12223 }
12224 else
12225 {
12226 $this->state = false;
12227 }
12228 }
12229
12230 function version_name()
12231 {
12232 if (substr($this->data, $this->position, 7) === 'version')
12233 {
12234 $this->position += 7;
12235 $this->skip_whitespace();
12236 $this->state = 'version_equals';
12237 }
12238 else
12239 {
12240 $this->state = false;
12241 }
12242 }
12243
12244 function version_equals()
12245 {
12246 if (substr($this->data, $this->position, 1) === '=')
12247 {
12248 $this->position++;
12249 $this->skip_whitespace();
12250 $this->state = 'version_value';
12251 }
12252 else
12253 {
12254 $this->state = false;
12255 }
12256 }
12257
12258 function version_value()
12259 {
12260 if ($this->version = $this->get_value())
12261 {
12262 $this->skip_whitespace();
12263 if ($this->has_data())
12264 {
12265 $this->state = 'encoding_name';
12266 }
12267 else
12268 {
12269 $this->state = 'emit';
12270 }
12271 }
12272 else
12273 {
12274 $this->state = 'standalone_name';
12275 }
12276 }
12277
12278 function encoding_name()
12279 {
12280 if (substr($this->data, $this->position, 8) === 'encoding')
12281 {
12282 $this->position += 8;
12283 $this->skip_whitespace();
12284 $this->state = 'encoding_equals';
12285 }
12286 else
12287 {
12288 $this->state = false;
12289 }
12290 }
12291
12292 function encoding_equals()
12293 {
12294 if (substr($this->data, $this->position, 1) === '=')
12295 {
12296 $this->position++;
12297 $this->skip_whitespace();
12298 $this->state = 'encoding_value';
12299 }
12300 else
12301 {
12302 $this->state = false;
12303 }
12304 }
12305
12306 function encoding_value()
12307 {
12308 if ($this->encoding = $this->get_value())
12309 {
12310 $this->skip_whitespace();
12311 if ($this->has_data())
12312 {
12313 $this->state = 'standalone_name';
12314 }
12315 else
12316 {
12317 $this->state = 'emit';
12318 }
12319 }
12320 else
12321 {
12322 $this->state = false;
12323 }
12324 }
12325
12326 function standalone_name()
12327 {
12328 if (substr($this->data, $this->position, 10) === 'standalone')
12329 {
12330 $this->position += 10;
12331 $this->skip_whitespace();
12332 $this->state = 'standalone_equals';
12333 }
12334 else
12335 {
12336 $this->state = false;
12337 }
12338 }
12339
12340 function standalone_equals()
12341 {
12342 if (substr($this->data, $this->position, 1) === '=')
12343 {
12344 $this->position++;
12345 $this->skip_whitespace();
12346 $this->state = 'standalone_value';
12347 }
12348 else
12349 {
12350 $this->state = false;
12351 }
12352 }
12353
12354 function standalone_value()
12355 {
12356 if ($standalone = $this->get_value())
12357 {
12358 switch ($standalone)
12359 {
12360 case 'yes':
12361 $this->standalone = true;
12362 break;
12363
12364 case 'no':
12365 $this->standalone = false;
12366 break;
12367
12368 default:
12369 $this->state = false;
12370 return;
12371 }
12372
12373 $this->skip_whitespace();
12374 if ($this->has_data())
12375 {
12376 $this->state = false;
12377 }
12378 else
12379 {
12380 $this->state = 'emit';
12381 }
12382 }
12383 else
12384 {
12385 $this->state = false;
12386 }
12387 }
12388 }
12389
12390 class SimplePie_Locator
12391 {
12392 var $useragent;
12393 var $timeout;
12394 var $file;
12395 var $local = array();
12396 var $elsewhere = array();
12397 var $file_class = 'SimplePie_File';
12398 var $cached_entities = array();
12399 var $http_base;
12400 var $base;
12401 var $base_location = 0;
12402 var $checked_feeds = 0;
12403 var $max_checked_feeds = 10;
12404 var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';
12405
12406 function SimplePie_Locator(&$file, $timeout = 10, $useragent = null, $file_class = 'SimplePie_File', $max_checked_feeds = 10, $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer')
12407 {
12408 $this->file =& $file;
12409 $this->file_class = $file_class;
12410 $this->useragent = $useragent;
12411 $this->timeout = $timeout;
12412 $this->max_checked_feeds = $max_checked_feeds;
12413 $this->content_type_sniffer_class;
12414 }
12415
12416 function find($type = SIMPLEPIE_LOCATOR_ALL)
12417 {
12418 if ($this->is_feed($this->file))
12419 {
12420 return $this->file;
12421 }
12422
12423 if ($this->file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
12424 {
12425 $sniffer = new $this->content_type_sniffer_class($this->file);
12426 if ($sniffer->get_type() !== 'text/html')
12427 {
12428 return null;
12429 }
12430 }
12431
12432 if ($type & ~SIMPLEPIE_LOCATOR_NONE)
12433 {
12434 $this->get_base();
12435 }
12436
12437 if ($type & SIMPLEPIE_LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery())
12438 {
12439 return $working;
12440 }
12441
12442 if ($type & (SIMPLEPIE_LOCATOR_LOCAL_EXTENSION | SIMPLEPIE_LOCATOR_LOCAL_BODY | SIMPLEPIE_LOCATOR_REMOTE_EXTENSION | SIMPLEPIE_LOCATOR_REMOTE_BODY) && $this->get_links())
12443 {
12444 if ($type & SIMPLEPIE_LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local))
12445 {
12446 return $working;
12447 }
12448
12449 if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local))
12450 {
12451 return $working;
12452 }
12453
12454 if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere))
12455 {
12456 return $working;
12457 }
12458
12459 if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere))
12460 {
12461 return $working;
12462 }
12463 }
12464 return null;
12465 }
12466
12467 function is_feed(&$file)
12468 {
12469 if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE)
12470 {
12471 $sniffer = new $this->content_type_sniffer_class($file);
12472 $sniffed = $sniffer->get_type();
12473 if (in_array($sniffed, array('application/rss+xml', 'application/rdf+xml', 'application/atom+xml', 'text/xml', 'application/xml', 'text/plain')))
12474 {
12475 return true;
12476 }
12477 else
12478 {
12479 return false;
12480 }
12481 }
12482 elseif ($file->method & SIMPLEPIE_FILE_SOURCE_LOCAL)
12483 {
12484 return true;
12485 }
12486 else
12487 {
12488 return false;
12489 }
12490 }
12491
12492 function get_base()
12493 {
12494 $this->http_base = $this->file->url;
12495 $this->base = $this->http_base;
12496 $elements = SimplePie_Misc::get_element('base', $this->file->body);
12497 foreach ($elements as $element)
12498 {
12499 if ($element['attribs']['href']['data'] !== '')
12500 {
12501 $this->base = SimplePie_Misc::absolutize_url(trim($element['attribs']['href']['data']), $this->http_base);
12502 $this->base_location = $element['offset'];
12503 break;
12504 }
12505 }
12506 }
12507
12508 function autodiscovery()
12509 {
12510 $links = array_merge(SimplePie_Misc::get_element('link', $this->file->body), SimplePie_Misc::get_element('a', $this->file->body), SimplePie_Misc::get_element('area', $this->file->body));
12511 $done = array();
12512 foreach ($links as $link)
12513 {
12514 if ($this->checked_feeds == $this->max_checked_feeds)
12515 {
12516 break;
12517 }
12518 if (isset($link['attribs']['href']['data']) && isset($link['attribs']['rel']['data']))
12519 {
12520 $rel = array_unique(SimplePie_Misc::space_seperated_tokens(strtolower($link['attribs']['rel']['data'])));
12521
12522 if ($this->base_location < $link['offset'])
12523 {
12524 $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base);
12525 }
12526 else
12527 {
12528 $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base);
12529 }
12530
12531 if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !empty($link['attribs']['type']['data']) && in_array(strtolower(SimplePie_Misc::parse_mime($link['attribs']['type']['data'])), array('application/rss+xml', 'application/atom+xml'))))
12532 {
12533 $this->checked_feeds++;
12534 $feed =& new $this->file_class($href, $this->timeout, 5, null, $this->useragent);
12535 if ($this->is_feed($feed))
12536 {
12537 return $feed;
12538 }
12539 }
12540 $done[] = $href;
12541 }
12542 }
12543 return null;
12544 }
12545
12546 function get_links()
12547 {
12548 $links = SimplePie_Misc::get_element('a', $this->file->body);
12549 foreach ($links as $link)
12550 {
12551 if (isset($link['attribs']['href']['data']))
12552 {
12553 $href = trim($link['attribs']['href']['data']);
12554 $parsed = SimplePie_Misc::parse_url($href);
12555 if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme']))
12556 {
12557 if ($this->base_location < $link['offset'])
12558 {
12559 $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base);
12560 }
12561 else
12562 {
12563 $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base);
12564 }
12565
12566 $current = SimplePie_Misc::parse_url($this->file->url);
12567
12568 if ($parsed['authority'] === '' || $parsed['authority'] == $current['authority'])
12569 {
12570 $this->local[] = $href;
12571 }
12572 else
12573 {
12574 $this->elsewhere[] = $href;
12575 }
12576 }
12577 }
12578 }
12579 $this->local = array_unique($this->local);
12580 $this->elsewhere = array_unique($this->elsewhere);
12581 if (!empty($this->local) || !empty($this->elsewhere))
12582 {
12583 return true;
12584 }
12585 return null;
12586 }
12587
12588 function extension(&$array)
12589 {
12590 foreach ($array as $key => $value)
12591 {
12592 if ($this->checked_feeds == $this->max_checked_feeds)
12593 {
12594 break;
12595 }
12596 if (in_array(strtolower(strrchr($value, '.')), array('.rss', '.rdf', '.atom', '.xml')))
12597 {
12598 $this->checked_feeds++;
12599 $feed =& new $this->file_class($value, $this->timeout, 5, null, $this->useragent);
12600 if ($this->is_feed($feed))
12601 {
12602 return $feed;
12603 }
12604 else
12605 {
12606 unset($array[$key]);
12607 }
12608 }
12609 }
12610 return null;
12611 }
12612
12613 function body(&$array)
12614 {
12615 foreach ($array as $key => $value)
12616 {
12617 if ($this->checked_feeds == $this->max_checked_feeds)
12618 {
12619 break;
12620 }
12621 if (preg_match('/(rss|rdf|atom|xml)/i', $value))
12622 {
12623 $this->checked_feeds++;
12624 $feed =& new $this->file_class($value, $this->timeout, 5, null, $this->useragent);
12625 if ($this->is_feed($feed))
12626 {
12627 return $feed;
12628 }
12629 else
12630 {
12631 unset($array[$key]);
12632 }
12633 }
12634 }
12635 return null;
12636 }
12637 }
12638
12639 class SimplePie_Parser
12640 {
12641 var $error_code;
12642 var $error_string;
12643 var $current_line;
12644 var $current_column;
12645 var $current_byte;
12646 var $separator = ' ';
12647 var $feed = false;
12648 var $namespace = array('');
12649 var $element = array('');
12650 var $xml_base = array('');
12651 var $xml_base_explicit = array(false);
12652 var $xml_lang = array('');
12653 var $data = array();
12654 var $datas = array(array());
12655 var $current_xhtml_construct = -1;
12656 var $encoding;
12657
12658 function parse(&$data, $encoding)
12659 {
12660 // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character
12661 if (strtoupper($encoding) == 'US-ASCII')
12662 {
12663 $this->encoding = 'UTF-8';
12664 }
12665 else
12666 {
12667 $this->encoding = $encoding;
12668 }
12669
12670 // Strip BOM:
12671 // UTF-32 Big Endian BOM
12672 if (substr($data, 0, 4) === "\x00\x00\xFE\xFF")
12673 {
12674 $data = substr($data, 4);
12675 }
12676 // UTF-32 Little Endian BOM
12677 elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00")
12678 {
12679 $data = substr($data, 4);
12680 }
12681 // UTF-16 Big Endian BOM
12682 elseif (substr($data, 0, 2) === "\xFE\xFF")
12683 {
12684 $data = substr($data, 2);
12685 }
12686 // UTF-16 Little Endian BOM
12687 elseif (substr($data, 0, 2) === "\xFF\xFE")
12688 {
12689 $data = substr($data, 2);
12690 }
12691 // UTF-8 BOM
12692 elseif (substr($data, 0, 3) === "\xEF\xBB\xBF")
12693 {
12694 $data = substr($data, 3);
12695 }
12696
12697 if (substr($data, 0, 5) === '<?xml' && strspn(substr($data, 5, 1), "\x09\x0A\x0D\x20") && ($pos = strpos($data, '?>')) !== false)
12698 {
12699 $declaration = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5));
12700 if ($declaration->parse())
12701 {
12702 $data = substr($data, $pos + 2);
12703 $data = '<?xml version="' . $declaration->version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data;
12704 }
12705 else
12706 {
12707 $this->error_string = 'SimplePie bug! Please report this!';
12708 return false;
12709 }
12710 }
12711
12712 $return = true;
12713
12714 // Create the parser
12715 $xml = xml_parser_create_ns($this->encoding, $this->separator);
12716 xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1);
12717 xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0);
12718 xml_set_object($xml, $this);
12719 xml_set_character_data_handler($xml, 'cdata');
12720 xml_set_element_handler($xml, 'tag_open', 'tag_close');
12721
12722 // Parse!
12723 if (!xml_parse($xml, $data, true))
12724 {
12725 $this->error_code = xml_get_error_code($xml);
12726 $this->error_string = xml_error_string($this->error_code);
12727 $return = false;
12728 }
12729 $this->current_line = xml_get_current_line_number($xml);
12730 $this->current_column = xml_get_current_column_number($xml);
12731 $this->current_byte = xml_get_current_byte_index($xml);
12732 xml_parser_free($xml);
12733 return $return;
12734 }
12735
12736 function get_error_code()
12737 {
12738 return $this->error_code;
12739 }
12740
12741 function get_error_string()
12742 {
12743 return $this->error_string;
12744 }
12745
12746 function get_current_line()
12747 {
12748 return $this->current_line;
12749 }
12750
12751 function get_current_column()
12752 {
12753 return $this->current_column;
12754 }
12755
12756 function get_current_byte()
12757 {
12758 return $this->current_byte;
12759 }
12760
12761 function get_data()
12762 {
12763 return $this->data;
12764 }
12765
12766 function tag_open($parser, $tag, $attributes)
12767 {
12768 if ($this->feed === 0)
12769 {
12770 return;
12771 }
12772 elseif ($this->feed == false)
12773 {
12774 if (in_array($tag, array(
12775 SIMPLEPIE_NAMESPACE_ATOM_10 . $this->separator . 'feed',
12776 SIMPLEPIE_NAMESPACE_ATOM_03 . $this->separator . 'feed',
12777 'rss',
12778 SIMPLEPIE_NAMESPACE_RDF . $this->separator . 'RDF'
12779 )))
12780 {
12781 $this->feed = 1;
12782 }
12783 }
12784 else
12785 {
12786 $this->feed++;
12787 }
12788
12789 list($this->namespace[], $this->element[]) = $this->split_ns($tag);
12790
12791 $attribs = array();
12792 foreach ($attributes as $name => $value)
12793 {
12794 list($attrib_namespace, $attribute) = $this->split_ns($name);
12795 $attribs[$attrib_namespace][$attribute] = $value;
12796 }
12797
12798 if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base']))
12799 {
12800 $this->xml_base[] = SimplePie_Misc::absolutize_url($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base));
12801 $this->xml_base_explicit[] = true;
12802 }
12803 else
12804 {
12805 $this->xml_base[] = end($this->xml_base);
12806 $this->xml_base_explicit[] = end($this->xml_base_explicit);
12807 }
12808
12809 if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang']))
12810 {
12811 $this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang'];
12812 }
12813 else
12814 {
12815 $this->xml_lang[] = end($this->xml_lang);
12816 }
12817
12818 if ($this->current_xhtml_construct >= 0)
12819 {
12820 $this->current_xhtml_construct++;
12821 if (end($this->namespace) == SIMPLEPIE_NAMESPACE_XHTML)
12822 {
12823 $this->data['data'] .= '<' . end($this->element);
12824 if (isset($attribs['']))
12825 {
12826 foreach ($attribs[''] as $name => $value)
12827 {
12828 $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"';
12829 }
12830 }
12831 $this->data['data'] .= '>';
12832 }
12833 }
12834 else
12835 {
12836 $this->datas[] =& $this->data;
12837 $this->data =& $this->data['child'][end($this->namespace)][end($this->element)][];
12838 $this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang));
12839 if ((end($this->namespace) == SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] == 'xml')
12840 || (end($this->namespace) == SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] == 'xhtml'))
12841 {
12842 $this->current_xhtml_construct = 0;
12843 }
12844 }
12845 }
12846
12847 function cdata($parser, $cdata)
12848 {
12849 if ($this->current_xhtml_construct >= 0)
12850 {
12851 $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding);
12852 }
12853 elseif ($this->feed > 1)
12854 {
12855 $this->data['data'] .= $cdata;
12856 }
12857 }
12858
12859 function tag_close($parser, $tag)
12860 {
12861 if (!$this->feed)
12862 {
12863 return;
12864 }
12865
12866 if ($this->current_xhtml_construct >= 0)
12867 {
12868 $this->current_xhtml_construct--;
12869 if (end($this->namespace) == SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param')))
12870 {
12871 $this->data['data'] .= '</' . end($this->element) . '>';
12872 }
12873 }
12874 if ($this->current_xhtml_construct == -1)
12875 {
12876 $this->data =& $this->datas[$this->feed];
12877 array_pop($this->datas);
12878 }
12879
12880 array_pop($this->element);
12881 array_pop($this->namespace);
12882 array_pop($this->xml_base);
12883 array_pop($this->xml_base_explicit);
12884 array_pop($this->xml_lang);
12885 $this->feed--;
12886 }
12887
12888 function split_ns($string)
12889 {
12890 static $cache = array();
12891 if (!isset($cache[$string]))
12892 {
12893 if ($pos = strpos($string, $this->separator))
12894 {
12895 static $separator_length;
12896 if (!$separator_length)
12897 {
12898 $separator_length = strlen($this->separator);
12899 }
12900 $namespace = substr($string, 0, $pos);
12901 $local_name = substr($string, $pos + $separator_length);
12902 if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES)
12903 {
12904 $namespace = SIMPLEPIE_NAMESPACE_ITUNES;
12905 }
12906 $cache[$string] = array($namespace, $local_name);
12907 }
12908 else
12909 {
12910 $cache[$string] = array('', $string);
12911 }
12912 }
12913 return $cache[$string];
12914 }
12915 }
12916
12917 /**
12918 * @todo Move to using an actual HTML parser (this will allow tags to be properly stripped, and to switch between HTML and XHTML), this will also make it easier to shortern a string while preserving HTML tags
12919 */
12920 class SimplePie_Sanitize
12921 {
12922 // Private vars
12923 var $base;
12924
12925 // Options
12926 var $remove_div = true;
12927 var $image_handler = '';
12928 var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
12929 var $encode_instead_of_strip = false;
12930 var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
12931 var $strip_comments = false;
12932 var $output_encoding = 'UTF-8';
12933 var $enable_cache = true;
12934 var $cache_location = './cache';
12935 var $cache_name_function = 'md5';
12936 var $cache_class = 'SimplePie_Cache';
12937 var $file_class = 'SimplePie_File';
12938 var $timeout = 10;
12939 var $useragent = '';
12940 var $force_fsockopen = false;
12941
12942 var $replace_url_attributes = array(
12943 'a' => 'href',
12944 'area' => 'href',
12945 'blockquote' => 'cite',
12946 'del' => 'cite',
12947 'form' => 'action',
12948 'img' => array('longdesc', 'src'),
12949 'input' => 'src',
12950 'ins' => 'cite',
12951 'q' => 'cite'
12952 );
12953
12954 function remove_div($enable = true)
12955 {
12956 $this->remove_div = (bool) $enable;
12957 }
12958
12959 function set_image_handler($page = false)
12960 {
12961 if ($page)
12962 {
12963 $this->image_handler = (string) $page;
12964 }
12965 else
12966 {
12967 $this->image_handler = false;
12968 }
12969 }
12970
12971 function pass_cache_data($enable_cache = true, $cache_location = './cache', $cache_name_function = 'md5', $cache_class = 'SimplePie_Cache')
12972 {
12973 if (isset($enable_cache))
12974 {
12975 $this->enable_cache = (bool) $enable_cache;
12976 }
12977
12978 if ($cache_location)
12979 {
12980 $this->cache_location = (string) $cache_location;
12981 }
12982
12983 if ($cache_name_function)
12984 {
12985 $this->cache_name_function = (string) $cache_name_function;
12986 }
12987
12988 if ($cache_class)
12989 {
12990 $this->cache_class = (string) $cache_class;
12991 }
12992 }
12993
12994 function pass_file_data($file_class = 'SimplePie_File', $timeout = 10, $useragent = '', $force_fsockopen = false)
12995 {
12996 if ($file_class)
12997 {
12998 $this->file_class = (string) $file_class;
12999 }
13000
13001 if ($timeout)
13002 {
13003 $this->timeout = (string) $timeout;
13004 }
13005
13006 if ($useragent)
13007 {
13008 $this->useragent = (string) $useragent;
13009 }
13010
13011 if ($force_fsockopen)
13012 {
13013 $this->force_fsockopen = (string) $force_fsockopen;
13014 }
13015 }
13016
13017 function strip_htmltags($tags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'))
13018 {
13019 if ($tags)
13020 {
13021 if (is_array($tags))
13022 {
13023 $this->strip_htmltags = $tags;
13024 }
13025 else
13026 {
13027 $this->strip_htmltags = explode(',', $tags);
13028 }
13029 }
13030 else
13031 {
13032 $this->strip_htmltags = false;
13033 }
13034 }
13035
13036 function encode_instead_of_strip($encode = false)
13037 {
13038 $this->encode_instead_of_strip = (bool) $encode;
13039 }
13040
13041 function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'))
13042 {
13043 if ($attribs)
13044 {
13045 if (is_array($attribs))
13046 {
13047 $this->strip_attributes = $attribs;
13048 }
13049 else
13050 {
13051 $this->strip_attributes = explode(',', $attribs);
13052 }
13053 }
13054 else
13055 {
13056 $this->strip_attributes = false;
13057 }
13058 }
13059
13060 function strip_comments($strip = false)
13061 {
13062 $this->strip_comments = (bool) $strip;
13063 }
13064
13065 function set_output_encoding($encoding = 'UTF-8')
13066 {
13067 $this->output_encoding = (string) $encoding;
13068 }
13069
13070 /**
13071 * Set element/attribute key/value pairs of HTML attributes
13072 * containing URLs that need to be resolved relative to the feed
13073 *
13074 * @access public
13075 * @since 1.0
13076 * @param array $element_attribute Element/attribute key/value pairs
13077 */
13078 function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
13079 {
13080 $this->replace_url_attributes = (array) $element_attribute;
13081 }
13082
13083 function sanitize($data, $type, $base = '')
13084 {
13085 $data = trim($data);
13086 if ($data !== '' || $type & SIMPLEPIE_CONSTRUCT_IRI)
13087 {
13088 if ($type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML)
13089 {
13090 if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data))
13091 {
13092 $type |= SIMPLEPIE_CONSTRUCT_HTML;
13093 }
13094 else
13095 {
13096 $type |= SIMPLEPIE_CONSTRUCT_TEXT;
13097 }
13098 }
13099
13100 if ($type & SIMPLEPIE_CONSTRUCT_BASE64)
13101 {
13102 $data = base64_decode($data);
13103 }
13104
13105 if ($type & SIMPLEPIE_CONSTRUCT_XHTML)
13106 {
13107 if ($this->remove_div)
13108 {
13109 $data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '', $data);
13110 $data = preg_replace('/<\/div>$/', '', $data);
13111 }
13112 else
13113 {
13114 $data = preg_replace('/^<div' . SIMPLEPIE_PCRE_XML_ATTRIBUTE . '>/', '<div>', $data);
13115 }
13116 }
13117
13118 if ($type & (SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML))
13119 {
13120 // Strip comments
13121 if ($this->strip_comments)
13122 {
13123 $data = SimplePie_Misc::strip_comments($data);
13124 }
13125
13126 // Strip out HTML tags and attributes that might cause various security problems.
13127 // Based on recommendations by Mark Pilgrim at:
13128 // http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely
13129 if ($this->strip_htmltags)
13130 {
13131 foreach ($this->strip_htmltags as $tag)
13132 {
13133 $pcre = "/<($tag)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$tag" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>|(\/)?>)/siU';
13134 while (preg_match($pcre, $data))
13135 {
13136 $data = preg_replace_callback($pcre, array(&$this, 'do_strip_htmltags'), $data);
13137 }
13138 }
13139 }
13140
13141 if ($this->strip_attributes)
13142 {
13143 foreach ($this->strip_attributes as $attrib)
13144 {
13145 $data = preg_replace('/(<[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*)' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . trim($attrib) . '(?:\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>/', '\1\2\3>', $data);
13146 }
13147 }
13148
13149 // Replace relative URLs
13150 $this->base = $base;
13151 foreach ($this->replace_url_attributes as $element => $attributes)
13152 {
13153 $data = $this->replace_urls($data, $element, $attributes);
13154 }
13155
13156 // If image handling (caching, etc.) is enabled, cache and rewrite all the image tags.
13157 if (isset($this->image_handler) && ((string) $this->image_handler) !== '' && $this->enable_cache)
13158 {
13159 $images = SimplePie_Misc::get_element('img', $data);
13160 foreach ($images as $img)
13161 {
13162 if (isset($img['attribs']['src']['data']))
13163 {
13164 $image_url = call_user_func($this->cache_name_function, $img['attribs']['src']['data']);
13165 $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, $image_url, 'spi');
13166
13167 if ($cache->load())
13168 {
13169 $img['attribs']['src']['data'] = $this->image_handler . $image_url;
13170 $data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data);
13171 }
13172 else
13173 {
13174 $file =& new $this->file_class($img['attribs']['src']['data'], $this->timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen);
13175 $headers = $file->headers;
13176
13177 if ($file->success && ($file->status_code == 200 || ($file->status_code > 206 && $file->status_code < 300)))
13178 {
13179 if ($cache->save(array('headers' => $file->headers, 'body' => $file->body)))
13180 {
13181 $img['attribs']['src']['data'] = $this->image_handler . $image_url;
13182 $data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data);
13183 }
13184 else
13185 {
13186 trigger_error("$cache->name is not writeable", E_USER_WARNING);
13187 }
13188 }
13189 }
13190 }
13191 }
13192 }
13193
13194 // Having (possibly) taken stuff out, there may now be whitespace at the beginning/end of the data
13195 $data = trim($data);
13196 }
13197
13198 if ($type & SIMPLEPIE_CONSTRUCT_IRI)
13199 {
13200 $data = SimplePie_Misc::absolutize_url($data, $base);
13201 }
13202
13203 if ($type & (SIMPLEPIE_CONSTRUCT_TEXT | SIMPLEPIE_CONSTRUCT_IRI))
13204 {
13205 $data = htmlspecialchars($data, ENT_COMPAT, 'UTF-8');
13206 }
13207
13208 if ($this->output_encoding != 'UTF-8')
13209 {
13210 $data = SimplePie_Misc::change_encoding($data, 'UTF-8', $this->output_encoding);
13211 }
13212 }
13213 return $data;
13214 }
13215
13216 function replace_urls($data, $tag, $attributes)
13217 {
13218 if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags))
13219 {
13220 $elements = SimplePie_Misc::get_element($tag, $data);
13221 foreach ($elements as $element)
13222 {
13223 if (is_array($attributes))
13224 {
13225 foreach ($attributes as $attribute)
13226 {
13227 if (isset($element['attribs'][$attribute]['data']))
13228 {
13229 $element['attribs'][$attribute]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attribute]['data'], $this->base);
13230 $new_element = SimplePie_Misc::element_implode($element);
13231 $data = str_replace($element['full'], $new_element, $data);
13232 $element['full'] = $new_element;
13233 }
13234 }
13235 }
13236 elseif (isset($element['attribs'][$attributes]['data']))
13237 {
13238 $element['attribs'][$attributes]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attributes]['data'], $this->base);
13239 $data = str_replace($element['full'], SimplePie_Misc::element_implode($element), $data);
13240 }
13241 }
13242 }
13243 return $data;
13244 }
13245
13246 function do_strip_htmltags($match)
13247 {
13248 if ($this->encode_instead_of_strip)
13249 {
13250 if (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style')))
13251 {
13252 $match[1] = htmlspecialchars($match[1], ENT_COMPAT, 'UTF-8');
13253 $match[2] = htmlspecialchars($match[2], ENT_COMPAT, 'UTF-8');
13254 return "&lt;$match[1]$match[2]&gt;$match[3]&lt;/$match[1]&gt;";
13255 }
13256 else
13257 {
13258 return htmlspecialchars($match[0], ENT_COMPAT, 'UTF-8');
13259 }
13260 }
13261 elseif (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style')))
13262 {
13263 return $match[4];
13264 }
13265 else
13266 {
13267 return '';
13268 }
13269 }
13270 }
13271
13272 ?>
web-based news feed (RSS/Atom) reader and aggregator; see https://tt-rss.org/