]> git.wh0rd.org - tt-rss.git/blobdiff - include/functions.php
fetch_file_contents: support retarded schema-less urls
[tt-rss.git] / include / functions.php
index 3aaccbb1936ecfa96bb0590f7c57a3378da1eea3..769c27af9f13040c415c667df7ff351b7cc3d415 100644 (file)
@@ -1,6 +1,6 @@
 <?php
        define('EXPECTED_CONFIG_VERSION', 26);
-       define('SCHEMA_VERSION', 122);
+       define('SCHEMA_VERSION', 126);
 
        define('LABEL_BASE_INDEX', -1024);
        define('PLUGIN_FEED_BASE_INDEX', -128);
@@ -10,7 +10,9 @@
        $fetch_last_error = false;
        $fetch_last_error_code = false;
        $fetch_last_content_type = false;
+       $fetch_last_error_content = false; // curl only for the time being
        $fetch_curl_used = false;
+       $suppress_debugging = false;
 
        mb_internal_encoding("UTF-8");
        date_default_timezone_set('UTC');
        function get_translations() {
                $tr = array(
                                        "auto"  => "Detect automatically",
+                                       "ar_SA" => "العربيّة (Arabic)",
+                                       "da_DA" => "Dansk",
                                        "ca_CA" => "Català",
                                        "cs_CZ" => "Česky",
                                        "en_US" => "English",
-                                       "es_ES" => "Español",
+                                       "el_GR" => "Ελληνικά",
+                                       "es_ES" => "Español (España)",
+                                       "es_LA" => "Español",
                                        "de_DE" => "Deutsch",
                                        "fr_FR" => "Français",
                                        "hu_HU" => "Magyar (Hungarian)",
                                        "pl_PL" => "Polski",
                                        "ru_RU" => "Русский",
                                        "pt_BR" => "Portuguese/Brazil",
+                                       "pt_PT" => "Portuguese/Portugal",
                                        "zh_CN" => "Simplified Chinese",
+                                       "zh_TW" => "Traditional Chinese",
                                        "sv_SE" => "Svenska",
-                                       "fi_FI" => "Suomi");
+                                       "fi_FI" => "Suomi",
+                                       "tr_TR" => "Türkçe");
 
                return $tr;
        }
 
        $schema_version = false;
 
+       function _debug_suppress($suppress) {
+               global $suppress_debugging;
+
+               $suppress_debugging = $suppress;
+       }
+
        /**
         * Print a timestamped debug message.
         *
         * @return void
         */
        function _debug($msg, $show = true) {
+               global $suppress_debugging;
+
+               //echo "[$suppress_debugging] $msg $show\n";
+
+               if ($suppress_debugging) return false;
 
                $ts = strftime("%H:%M:%S", time());
                if (function_exists('posix_getpid')) {
                        $fp = fopen(LOGFILE, 'a+');
 
                        if ($fp) {
+                               $locked = false;
+
+                               if (function_exists("flock")) {
+                                       $tries = 0;
+
+                                       // try to lock logfile for writing
+                                       while ($tries < 5 && !$locked = flock($fp, LOCK_EX | LOCK_NB)) {
+                                               sleep(1);
+                                               ++$tries;
+                                       }
+
+                                       if (!$locked) {
+                                               fclose($fp);
+                                               return;
+                                       }
+                               }
+
                                fputs($fp, "[$ts] $msg\n");
+
+                               if (function_exists("flock")) {
+                                       flock($fp, LOCK_UN);
+                               }
+
                                fclose($fp);
                        }
                }
                }
        }
 
-       function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0) {
+       function fetch_file_contents($url, $type = false, $login = false, $pass = false, $post_query = false, $timeout = false, $timestamp = 0, $useragent = false) {
 
                global $fetch_last_error;
                global $fetch_last_error_code;
+               global $fetch_last_error_content;
                global $fetch_last_content_type;
                global $fetch_curl_used;
 
+               $url = ltrim($url, ' ');
                $url = str_replace(' ', '%20', $url);
 
+               if (strpos($url, "//") === 0)
+                       $url = 'http:' . $url;
+
                if (!defined('NO_CURL') && function_exists('curl_init')) {
 
                        $fetch_curl_used = true;
 
-                       if (ini_get("safe_mode") || ini_get("open_basedir")) {
+                       if (ini_get("safe_mode") || ini_get("open_basedir") || defined("FORCE_GETURL")) {
                                $new_url = geturl($url);
                                if (!$new_url) {
                                    // geturl has already populated $fetch_last_error
                        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
                        curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
-                       curl_setopt($ch, CURLOPT_USERAGENT, SELF_USER_AGENT);
+                       curl_setopt($ch, CURLOPT_USERAGENT, $useragent ? $useragent :
+                               SELF_USER_AGENT);
                        curl_setopt($ch, CURLOPT_ENCODING, "");
-                       curl_setopt($ch, CURLOPT_REFERER, $url);
+                       //curl_setopt($ch, CURLOPT_REFERER, $url);
+
+                       if (!ini_get("safe_mode") && !ini_get("open_basedir")) {
+                               curl_setopt($ch, CURLOPT_COOKIEJAR, "/dev/null");
+                       }
+
+                       if (defined('_CURL_HTTP_PROXY')) {
+                               curl_setopt($ch, CURLOPT_PROXY, _CURL_HTTP_PROXY);
+                       }
 
                        if ($post_query) {
                                curl_setopt($ch, CURLOPT_POST, true);
                                curl_setopt($ch, CURLOPT_POSTFIELDS, $post_query);
                        }
 
-                       if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
-                               curl_setopt($ch, CURLOPT_SSLVERSION, 3);
-                       }
-
                        if ($login && $pass)
                                curl_setopt($ch, CURLOPT_USERPWD, "$login:$pass");
 
                                } else {
                                        $fetch_last_error = "HTTP Code: $http_code";
                                }
+                               $fetch_last_error_content = $contents;
                                curl_close($ch);
                                return false;
                        }
                                $_SERVER["REDIRECT_SSL_CLIENT_V_END"] .
                                $_SERVER["REDIRECT_SSL_CLIENT_S_DN"]);
                }
+               if ($_SERVER["SSL_CLIENT_M_SERIAL"]) {
+                       return sha1($_SERVER["SSL_CLIENT_M_SERIAL"] .
+                               $_SERVER["SSL_CLIENT_V_START"] .
+                               $_SERVER["SSL_CLIENT_V_END"] .
+                               $_SERVER["SSL_CLIENT_S_DN"]);
+               }
                return "";
        }
 
 
                                $_SESSION["name"] = db_fetch_result($result, 0, "login");
                                $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
-                               $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
+                               $_SESSION["csrf_token"] = uniqid(rand(), true);
 
                                db_query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
                                        $_SESSION["uid"]);
                        $_SESSION["auth_module"] = false;
 
                        if (!$_SESSION["csrf_token"]) {
-                               $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
+                               $_SESSION["csrf_token"] = uniqid(rand(), true);
                        }
 
                        $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
        }
 
        function load_user_plugins($owner_uid) {
-               if ($owner_uid) {
+               if ($owner_uid && SCHEMA_VERSION >= 100) {
                        $plugins = get_pref("_ENABLED_PLUGINS", $owner_uid);
 
                        PluginHost::getInstance()->load($plugins, PluginHost::KIND_USER, $owner_uid);
                if (SINGLE_USER_MODE) {
                        @session_start();
                        authenticate_user("admin", null);
+                       startup_gettext();
                        load_user_plugins($_SESSION["uid"]);
                } else {
                        if (!validate_session()) $_SESSION["uid"] = false;
        }
 
        function truncate_string($str, $max_len, $suffix = '&hellip;') {
-               if (mb_strlen($str, "utf-8") > $max_len - 3) {
+               if (mb_strlen($str, "utf-8") > $max_len) {
                        return mb_substr($str, 0, $max_len, "utf-8") . $suffix;
                } else {
                        return $str;
 
        function sanity_check() {
                require_once 'errors.php';
+               global $ERRORS;
 
                $error_code = 0;
                $schema_version = get_schema_version(true);
 
                                                db_query("UPDATE ttrss_user_entries
                                                        SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
-                                                               FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
-                                                               AND unread = true AND $date_qpart AND owner_uid = $owner_uid");
+                                                               FROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND $date_qpart) > 0
+                                                               AND unread = true AND owner_uid = $owner_uid");
                                        }
 
                                } else if ($feed > 0) {
                                                        SET unread = false, last_read = NOW() WHERE ref_id IN
                                                                (SELECT id FROM
                                                                        (SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id
-                                                                               AND owner_uid = $owner_uid AND unread = true AND $date_qpart AND $match_part) as tmp)");
+                                                                               AND owner_uid = $owner_uid AND score >= 0 AND unread = true AND $date_qpart AND $match_part) as tmp)");
                                        }
 
                                        if ($feed == -4) {
                        $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
 
                        if (DB_TYPE == "pgsql") {
-                               $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
+                               $match_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
                        } else {
-                               $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
+                               $match_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
                        }
 
                        $need_entries = true;
                                $from_where = "ttrss_entries.id = ttrss_user_entries.ref_id AND";
                        } else {
                                $from_qpart = "ttrss_user_entries";
+                               $from_where = "";
                        }
 
                        $query = "SELECT count(int_id) AS unread
 
                $owner_uid = $_SESSION["uid"];
 
-               $result = db_query("SELECT id,caption,COUNT(u1.unread) AS unread,COUNT(u2.unread) AS total
+               $result = db_query("SELECT id,caption,SUM(CASE WHEN u1.unread = true THEN 1 ELSE 0 END) AS unread, COUNT(u1.unread) AS total
                        FROM ttrss_labels2 LEFT JOIN ttrss_user_labels2 ON
                                (ttrss_labels2.id = label_id)
-                               LEFT JOIN ttrss_user_entries AS u1 ON (u1.ref_id = article_id AND u1.unread = true
-                                       AND u1.owner_uid = $owner_uid)
-                               LEFT JOIN ttrss_user_entries AS u2 ON (u2.ref_id = article_id AND u2.unread = false
-                                       AND u2.owner_uid = $owner_uid)
+                               LEFT JOIN ttrss_user_entries AS u1 ON u1.ref_id = article_id
                                WHERE ttrss_labels2.owner_uid = $owner_uid GROUP BY ttrss_labels2.id,
                                        ttrss_labels2.caption");
 
                                AND ttrss_counters_cache.feed_id = id";
 
                $result = db_query($query);
-               $fctrs_modified = false;
 
                while ($line = db_fetch_assoc($result)) {
 
                        return array("code" => 5, "message" => $fetch_last_error);
                }
 
+               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SUBSCRIBE_FEED) as $plugin) {
+                       $contents = $plugin->hook_subscribe_feed($contents, $url, $auth_login, $auth_pass);
+               }
+
                if (is_html($contents)) {
                        $feedUrls = get_feeds_from_html($url, $contents);
 
                        $url = key($feedUrls);
                }
 
-               /* libxml_use_internal_errors(true);
-               $doc = new DOMDocument();
-               $doc->loadXML($contents);
-               $error = libxml_get_last_error();
-               libxml_clear_errors();
-
-               if ($error) {
-                       $error_message = format_libxml_error($error);
-
-                       return array("code" => 6, "message" => $error_message);
-               } */
-
                if ($cat_id == "0" || !$cat_id) {
                        $cat_qpart = "NULL";
                } else {
                }
        }
 
-       function make_init_params() {
-               $params = array();
-
-               foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
-                       "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
-                       "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
-                       "HIDE_READ_SHOWS_SPECIAL", "COMBINED_DISPLAY_MODE") as $param) {
-
-                                $params[strtolower($param)] = (int) get_pref($param);
-                }
-
-               $params["icons_url"] = ICONS_URL;
-               $params["cookie_lifetime"] = SESSION_COOKIE_LIFETIME;
-               $params["default_view_mode"] = get_pref("_DEFAULT_VIEW_MODE");
-               $params["default_view_limit"] = (int) get_pref("_DEFAULT_VIEW_LIMIT");
-               $params["default_view_order_by"] = get_pref("_DEFAULT_VIEW_ORDER_BY");
-               $params["bw_limit"] = (int) $_SESSION["bw_limit"];
-               $params["label_base_index"] = (int) LABEL_BASE_INDEX;
-
-               $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
-                       ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
-
-               $max_feed_id = db_fetch_result($result, 0, "mid");
-               $num_feeds = db_fetch_result($result, 0, "nf");
-
-               $params["max_feed_id"] = (int) $max_feed_id;
-               $params["num_feeds"] = (int) $num_feeds;
-
-               $params["hotkeys"] = get_hotkeys_map();
-
-               $params["csrf_token"] = $_SESSION["csrf_token"];
-               $params["widescreen"] = (int) $_COOKIE["ttrss_widescreen"];
-
-               $params['simple_update'] = defined('SIMPLE_UPDATE_MODE') && SIMPLE_UPDATE_MODE;
-
-               return $params;
-       }
-
-       function get_hotkeys_info() {
-               $hotkeys = array(
-                       __("Navigation") => array(
-                               "next_feed" => __("Open next feed"),
-                               "prev_feed" => __("Open previous feed"),
-                               "next_article" => __("Open next article"),
-                               "prev_article" => __("Open previous article"),
-                               "next_article_noscroll" => __("Open next article (don't scroll long articles)"),
-                               "prev_article_noscroll" => __("Open previous article (don't scroll long articles)"),
-                               "next_article_noexpand" => __("Move to next article (don't expand or mark read)"),
-                               "prev_article_noexpand" => __("Move to previous article (don't expand or mark read)"),
-                               "search_dialog" => __("Show search dialog")),
-                       __("Article") => array(
-                               "toggle_mark" => __("Toggle starred"),
-                               "toggle_publ" => __("Toggle published"),
-                               "toggle_unread" => __("Toggle unread"),
-                               "edit_tags" => __("Edit tags"),
-                               "dismiss_selected" => __("Dismiss selected"),
-                               "dismiss_read" => __("Dismiss read"),
-                               "open_in_new_window" => __("Open in new window"),
-                               "catchup_below" => __("Mark below as read"),
-                               "catchup_above" => __("Mark above as read"),
-                               "article_scroll_down" => __("Scroll down"),
-                               "article_scroll_up" => __("Scroll up"),
-                               "select_article_cursor" => __("Select article under cursor"),
-                               "email_article" => __("Email article"),
-                               "close_article" => __("Close/collapse article"),
-                               "toggle_expand" => __("Toggle article expansion (combined mode)"),
-                               "toggle_widescreen" => __("Toggle widescreen mode"),
-                               "toggle_embed_original" => __("Toggle embed original")),
-                       __("Article selection") => array(
-                               "select_all" => __("Select all articles"),
-                               "select_unread" => __("Select unread"),
-                               "select_marked" => __("Select starred"),
-                               "select_published" => __("Select published"),
-                               "select_invert" => __("Invert selection"),
-                               "select_none" => __("Deselect everything")),
-                       __("Feed") => array(
-                               "feed_refresh" => __("Refresh current feed"),
-                               "feed_unhide_read" => __("Un/hide read feeds"),
-                               "feed_subscribe" => __("Subscribe to feed"),
-                               "feed_edit" => __("Edit feed"),
-                               "feed_catchup" => __("Mark as read"),
-                               "feed_reverse" => __("Reverse headlines"),
-                               "feed_debug_update" => __("Debug feed update"),
-                               "catchup_all" => __("Mark all feeds as read"),
-                               "cat_toggle_collapse" => __("Un/collapse current category"),
-                               "toggle_combined_mode" => __("Toggle combined mode"),
-                               "toggle_cdm_expanded" => __("Toggle auto expand in combined mode")),
-                       __("Go to") => array(
-                               "goto_all" => __("All articles"),
-                               "goto_fresh" => __("Fresh"),
-                               "goto_marked" => __("Starred"),
-                               "goto_published" => __("Published"),
-                               "goto_tagcloud" => __("Tag cloud"),
-                               "goto_prefs" => __("Preferences")),
-                       __("Other") => array(
-                               "create_label" => __("Create label"),
-                               "create_filter" => __("Create filter"),
-                               "collapse_sidebar" => __("Un/collapse sidebar"),
-                               "help_dialog" => __("Show help dialog"))
-                       );
-
-               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_INFO) as $plugin) {
-                       $hotkeys = $plugin->hook_hotkey_info($hotkeys);
-               }
-
-               return $hotkeys;
-       }
-
-       function get_hotkeys_map() {
-               $hotkeys = array(
-//                     "navigation" => array(
-                               "k" => "next_feed",
-                               "j" => "prev_feed",
-                               "n" => "next_article",
-                               "p" => "prev_article",
-                               "(38)|up" => "prev_article",
-                               "(40)|down" => "next_article",
-//                             "^(38)|Ctrl-up" => "prev_article_noscroll",
-//                             "^(40)|Ctrl-down" => "next_article_noscroll",
-                               "(191)|/" => "search_dialog",
-//                     "article" => array(
-                               "s" => "toggle_mark",
-                               "*s" => "toggle_publ",
-                               "u" => "toggle_unread",
-                               "*t" => "edit_tags",
-                               "*d" => "dismiss_selected",
-                               "*x" => "dismiss_read",
-                               "o" => "open_in_new_window",
-                               "c p" => "catchup_below",
-                               "c n" => "catchup_above",
-                               "*n" => "article_scroll_down",
-                               "*p" => "article_scroll_up",
-                               "*(38)|Shift+up" => "article_scroll_up",
-                               "*(40)|Shift+down" => "article_scroll_down",
-                               "a *w" => "toggle_widescreen",
-                               "a e" => "toggle_embed_original",
-                               "e" => "email_article",
-                               "a q" => "close_article",
-//                     "article_selection" => array(
-                               "a a" => "select_all",
-                               "a u" => "select_unread",
-                               "a *u" => "select_marked",
-                               "a p" => "select_published",
-                               "a i" => "select_invert",
-                               "a n" => "select_none",
-//                     "feed" => array(
-                               "f r" => "feed_refresh",
-                               "f a" => "feed_unhide_read",
-                               "f s" => "feed_subscribe",
-                               "f e" => "feed_edit",
-                               "f q" => "feed_catchup",
-                               "f x" => "feed_reverse",
-                               "f *d" => "feed_debug_update",
-                               "f *c" => "toggle_combined_mode",
-                               "f c" => "toggle_cdm_expanded",
-                               "*q" => "catchup_all",
-                               "x" => "cat_toggle_collapse",
-//                     "goto" => array(
-                               "g a" => "goto_all",
-                               "g f" => "goto_fresh",
-                               "g s" => "goto_marked",
-                               "g p" => "goto_published",
-                               "g t" => "goto_tagcloud",
-                               "g *p" => "goto_prefs",
-//                     "other" => array(
-                               "(9)|Tab" => "select_article_cursor", // tab
-                               "c l" => "create_label",
-                               "c f" => "create_filter",
-                               "c s" => "collapse_sidebar",
-                               "^(191)|Ctrl+/" => "help_dialog",
-                       );
-
-               if (get_pref('COMBINED_DISPLAY_MODE')) {
-                       $hotkeys["^(38)|Ctrl-up"] = "prev_article_noscroll";
-                       $hotkeys["^(40)|Ctrl-down"] = "next_article_noscroll";
-               }
-
-               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_HOTKEY_MAP) as $plugin) {
-                       $hotkeys = $plugin->hook_hotkey_map($hotkeys);
-               }
-
-               $prefixes = array();
-
-               foreach (array_keys($hotkeys) as $hotkey) {
-                       $pair = explode(" ", $hotkey, 2);
-
-                       if (count($pair) > 1 && !in_array($pair[0], $prefixes)) {
-                               array_push($prefixes, $pair[0]);
-                       }
-               }
-
-               return array($prefixes, $hotkeys);
-       }
-
-       function make_runtime_info() {
-               $data = array();
-
-               $result = db_query("SELECT MAX(id) AS mid, COUNT(*) AS nf FROM
-                       ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
-
-               $max_feed_id = db_fetch_result($result, 0, "mid");
-               $num_feeds = db_fetch_result($result, 0, "nf");
-
-               $data["max_feed_id"] = (int) $max_feed_id;
-               $data["num_feeds"] = (int) $num_feeds;
-
-               $data['last_article_id'] = getLastArticleId();
-               $data['cdm_expanded'] = get_pref('CDM_EXPANDED');
-
-               $data['dep_ts'] = calculate_dep_timestamp();
-               $data['reload_on_ts_change'] = !defined('_NO_RELOAD_ON_TS_CHANGE');
-
-               if (file_exists(LOCK_DIRECTORY . "/update_daemon.lock")) {
-
-                       $data['daemon_is_running'] = (int) file_is_locked("update_daemon.lock");
-
-                       if (time() - $_SESSION["daemon_stamp_check"] > 30) {
-
-                               $stamp = (int) @file_get_contents(LOCK_DIRECTORY . "/update_daemon.stamp");
-
-                               if ($stamp) {
-                                       $stamp_delta = time() - $stamp;
-
-                                       if ($stamp_delta > 1800) {
-                                               $stamp_check = 0;
-                                       } else {
-                                               $stamp_check = 1;
-                                               $_SESSION["daemon_stamp_check"] = time();
-                                       }
-
-                                       $data['daemon_stamp_ok'] = $stamp_check;
-
-                                       $stamp_fmt = date("Y.m.d, G:i", $stamp);
-
-                                       $data['daemon_stamp'] = $stamp_fmt;
-                               }
-                       }
-               }
-
-               if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
-                               $new_version_details = @check_for_update();
-
-                               $data['new_version_available'] = (int) ($new_version_details != false);
-
-                               $_SESSION["last_version_check"] = time();
-                               $_SESSION["version_data"] = $new_version_details;
-               }
-
-               return $data;
-       }
-
-       function search_to_sql($search) {
-
-               $search_query_part = "";
-
-               $keywords = explode(" ", $search);
-               $query_keywords = array();
-               $search_words = array();
-
-               foreach ($keywords as $k) {
-                       if (strpos($k, "-") === 0) {
-                               $k = substr($k, 1);
-                               $not = "NOT";
-                       } else {
-                               $not = "";
-                       }
-
-                       $commandpair = explode(":", mb_strtolower($k), 2);
-
-                       switch ($commandpair[0]) {
-                       case "title":
-                               if ($commandpair[1]) {
-                                       array_push($query_keywords, "($not (LOWER(ttrss_entries.title) LIKE '%".
-                                               db_escape_string(mb_strtolower($commandpair[1]))."%'))");
-                               } else {
-                                       array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
-                                                       OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
-                                       array_push($search_words, $k);
-                               }
-                               break;
-                       case "author":
-                               if ($commandpair[1]) {
-                                       array_push($query_keywords, "($not (LOWER(author) LIKE '%".
-                                               db_escape_string(mb_strtolower($commandpair[1]))."%'))");
-                               } else {
-                                       array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
-                                                       OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
-                                       array_push($search_words, $k);
-                               }
-                               break;
-                       case "note":
-                               if ($commandpair[1]) {
-                                       if ($commandpair[1] == "true")
-                                               array_push($query_keywords, "($not (note IS NOT NULL AND note != ''))");
-                                       else if ($commandpair[1] == "false")
-                                               array_push($query_keywords, "($not (note IS NULL OR note = ''))");
-                                       else
-                                               array_push($query_keywords, "($not (LOWER(note) LIKE '%".
-                                                       db_escape_string(mb_strtolower($commandpair[1]))."%'))");
-                               } else {
-                                       array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
-                                                       OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
-                                       if (!$not) array_push($search_words, $k);
-                               }
-                               break;
-                       case "star":
-
-                               if ($commandpair[1]) {
-                                       if ($commandpair[1] == "true")
-                                               array_push($query_keywords, "($not (marked = true))");
-                                       else
-                                               array_push($query_keywords, "($not (marked = false))");
-                               } else {
-                                       array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
-                                                       OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
-                                       if (!$not) array_push($search_words, $k);
-                               }
-                               break;
-                       case "pub":
-                               if ($commandpair[1]) {
-                                       if ($commandpair[1] == "true")
-                                               array_push($query_keywords, "($not (published = true))");
-                                       else
-                                               array_push($query_keywords, "($not (published = false))");
-
-                               } else {
-                                       array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
-                                                       OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
-                                       if (!$not) array_push($search_words, $k);
-                               }
-                               break;
-                       default:
-                               if (strpos($k, "@") === 0) {
-
-                                       $user_tz_string = get_pref('USER_TIMEZONE', $_SESSION['uid']);
-                                       $orig_ts = strtotime(substr($k, 1));
-                                       $k = date("Y-m-d", convert_timestamp($orig_ts, $user_tz_string, 'UTC'));
-
-                                       //$k = date("Y-m-d", strtotime(substr($k, 1)));
-
-                                       array_push($query_keywords, "(".SUBSTRING_FOR_DATE."(updated,1,LENGTH('$k')) $not = '$k')");
-                               } else {
-                                       array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
-                                                       OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
-
-                                       if (!$not) array_push($search_words, $k);
-                               }
-                       }
-               }
-
-               $search_query_part = implode("AND", $query_keywords);
-
-               return array($search_query_part, $search_words);
-       }
-
-       function getParentCategories($cat, $owner_uid) {
-               $rv = array();
-
-               $result = db_query("SELECT parent_cat FROM ttrss_feed_categories
-                       WHERE id = '$cat' AND parent_cat IS NOT NULL AND owner_uid = $owner_uid");
-
-               while ($line = db_fetch_assoc($result)) {
-                       array_push($rv, $line["parent_cat"]);
-                       $rv = array_merge($rv, getParentCategories($line["parent_cat"], $owner_uid));
-               }
-
-               return $rv;
-       }
-
-       function getChildCategories($cat, $owner_uid) {
-               $rv = array();
-
-               $result = db_query("SELECT id FROM ttrss_feed_categories
-                       WHERE parent_cat = '$cat' AND owner_uid = $owner_uid");
-
-               while ($line = db_fetch_assoc($result)) {
-                       array_push($rv, $line["id"]);
-                       $rv = array_merge($rv, getChildCategories($line["id"], $owner_uid));
-               }
-
-               return $rv;
-       }
-
-       function queryFeedHeadlines($feed, $limit, $view_mode, $cat_view, $search, $search_mode, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false, $ignore_vfeed_group = false, $override_strategy = false, $override_vfeed = false) {
-
-               if (!$owner_uid) $owner_uid = $_SESSION["uid"];
-
-               $ext_tables_part = "";
-               $search_words = array();
-
-                       if ($search) {
-
-                               if (SPHINX_ENABLED) {
-                                       $ids = join(",", @sphinx_search($search, 0, 500));
-
-                                       if ($ids)
-                                               $search_query_part = "ref_id IN ($ids) AND ";
-                                       else
-                                               $search_query_part = "ref_id = -1 AND ";
-
-                               } else {
-                                       list($search_query_part, $search_words) = search_to_sql($search);
-                                       $search_query_part .= " AND ";
-                               }
-
-                       } else {
-                               $search_query_part = "";
-                       }
-
-                       if ($filter) {
-
-                               if (DB_TYPE == "pgsql") {
-                                       $query_strategy_part .= " AND updated > NOW() - INTERVAL '14 days' ";
-                               } else {
-                                       $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL 14 DAY) ";
-                               }
-
-                               $override_order = "updated DESC";
-
-                               $filter_query_part = filter_to_sql($filter, $owner_uid);
-
-                               // Try to check if SQL regexp implementation chokes on a valid regexp
-
-
-                               $result = db_query("SELECT true AS true_val FROM ttrss_entries,
-                                       ttrss_user_entries, ttrss_feeds
-                                       WHERE $filter_query_part LIMIT 1", false);
-
-                               if ($result) {
-                                       $test = db_fetch_result($result, 0, "true_val");
-
-                                       if (!$test) {
-                                               $filter_query_part = "false AND";
-                                       } else {
-                                               $filter_query_part .= " AND";
-                                       }
-                               } else {
-                                       $filter_query_part = "false AND";
-                               }
-
-                       } else {
-                               $filter_query_part = "";
-                       }
-
-                       if ($since_id) {
-                               $since_id_part = "ttrss_entries.id > $since_id AND ";
-                       } else {
-                               $since_id_part = "";
-                       }
-
-                       $view_query_part = "";
-
-                       if ($view_mode == "adaptive") {
-                               if ($search) {
-                                       $view_query_part = " ";
-                               } else if ($feed != -1) {
-
-                                       $unread = getFeedUnread($feed, $cat_view);
-
-                                       if ($cat_view && $feed > 0 && $include_children)
-                                               $unread += getCategoryChildrenUnread($feed);
-
-                                       if ($unread > 0)
-                               $view_query_part = " unread = true AND ";
-
-                               }
-                       }
-
-                       if ($view_mode == "marked") {
-                               $view_query_part = " marked = true AND ";
-                       }
-
-                       if ($view_mode == "has_note") {
-                               $view_query_part = " (note IS NOT NULL AND note != '') AND ";
-                       }
-
-                       if ($view_mode == "published") {
-                               $view_query_part = " published = true AND ";
-                       }
-
-                       if ($view_mode == "unread" && $feed != -6) {
-                               $view_query_part = " unread = true AND ";
-                       }
-
-                       if ($limit > 0) {
-                               $limit_query_part = "LIMIT " . $limit;
-                       }
-
-                       $allow_archived = false;
-
-                       $vfeed_query_part = "";
-
-                       // override query strategy and enable feed display when searching globally
-                       if ($search && $search_mode == "all_feeds") {
-                               $query_strategy_part = "true";
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                       /* tags */
-                       } else if (!is_numeric($feed)) {
-                               $query_strategy_part = "true";
-                               $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
-                                       id = feed_id) as feed_title,";
-                       } else if ($search && $search_mode == "this_cat") {
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-
-                               if ($feed > 0) {
-                                       if ($include_children) {
-                                               $subcats = getChildCategories($feed, $owner_uid);
-                                               array_push($subcats, $feed);
-                                               $cats_qpart = join(",", $subcats);
-                                       } else {
-                                               $cats_qpart = $feed;
-                                       }
-
-                                       $query_strategy_part = "ttrss_feeds.cat_id IN ($cats_qpart)";
-
-                               } else {
-                                       $query_strategy_part = "ttrss_feeds.cat_id IS NULL";
-                               }
-
-                       } else if ($feed > 0) {
-
-                               if ($cat_view) {
-
-                                       if ($feed > 0) {
-                                               if ($include_children) {
-                                                       # sub-cats
-                                                       $subcats = getChildCategories($feed, $owner_uid);
-
-                                                       array_push($subcats, $feed);
-                                                       $query_strategy_part = "cat_id IN (".
-                                                                       implode(",", $subcats).")";
-
-                                               } else {
-                                                       $query_strategy_part = "cat_id = '$feed'";
-                                               }
-
-                                       } else {
-                                               $query_strategy_part = "cat_id IS NULL";
-                                       }
-
-                                       $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-
-                               } else {
-                                       $query_strategy_part = "feed_id = '$feed'";
-                               }
-                       } else if ($feed == 0 && !$cat_view) { // archive virtual feed
-                               $query_strategy_part = "feed_id IS NULL";
-                               $allow_archived = true;
-                       } else if ($feed == 0 && $cat_view) { // uncategorized
-                               $query_strategy_part = "cat_id IS NULL AND feed_id IS NOT NULL";
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                       } else if ($feed == -1) { // starred virtual feed
-                               $query_strategy_part = "marked = true";
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                               $allow_archived = true;
-
-                               if (!$override_order) {
-                                       $override_order = "last_marked DESC, date_entered DESC, updated DESC";
-                               }
-
-                       } else if ($feed == -2) { // published virtual feed OR labels category
-
-                               if (!$cat_view) {
-                                       $query_strategy_part = "published = true";
-                                       $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                                       $allow_archived = true;
-
-                                       if (!$override_order) {
-                                               $override_order = "last_published DESC, date_entered DESC, updated DESC";
-                                       }
-
-                               } else {
-                                       $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-
-                                       $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
-
-                                       $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
-                                               ttrss_user_labels2.article_id = ref_id";
-
-                               }
-                       } else if ($feed == -6) { // recently read
-                               $query_strategy_part = "unread = false AND last_read IS NOT NULL";
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                               $allow_archived = true;
-
-                               if (!$override_order) $override_order = "last_read DESC";
-
-/*                     } else if ($feed == -7) { // shared
-                               $query_strategy_part = "uuid != ''";
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                               $allow_archived = true; */
-                       } else if ($feed == -3) { // fresh virtual feed
-                               $query_strategy_part = "unread = true AND score >= 0";
-
-                               $intl = get_pref("FRESH_ARTICLE_MAX_AGE", $owner_uid);
-
-                               if (DB_TYPE == "pgsql") {
-                                       $query_strategy_part .= " AND date_entered > NOW() - INTERVAL '$intl hour' ";
-                               } else {
-                                       $query_strategy_part .= " AND date_entered > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
-                               }
-
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                       } else if ($feed == -4) { // all articles virtual feed
-                               $allow_archived = true;
-                               $query_strategy_part = "true";
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                       } else if ($feed <= LABEL_BASE_INDEX) { // labels
-                               $label_id = feed_to_label_id($feed);
-
-                               $query_strategy_part = "label_id = '$label_id' AND
-                                       ttrss_labels2.id = ttrss_user_labels2.label_id AND
-                                       ttrss_user_labels2.article_id = ref_id";
-
-                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
-                               $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
-                               $allow_archived = true;
-
-                       } else {
-                               $query_strategy_part = "true";
-                       }
-
-                       $order_by = "score DESC, date_entered DESC, updated DESC";
-
-                       if ($view_mode == "unread_first") {
-                               $order_by = "unread DESC, $order_by";
-                       }
-
-                       if ($override_order) {
-                               $order_by = $override_order;
-                       }
-
-                       if ($override_strategy) {
-                               $query_strategy_part = $override_strategy;
-                       }
-
-                       if ($override_vfeed) {
-                               $vfeed_query_part = $override_vfeed;
-                       }
-
-                       $feed_title = "";
-
-                       if ($search) {
-                               $feed_title = T_sprintf("Search results: %s", $search);
-                       } else {
-                               if ($cat_view) {
-                                       $feed_title = getCategoryTitle($feed);
-                               } else {
-                                       if (is_numeric($feed) && $feed > 0) {
-                                               $result = db_query("SELECT title,site_url,last_error,last_updated
-                                                       FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
-
-                                               $feed_title = db_fetch_result($result, 0, "title");
-                                               $feed_site_url = db_fetch_result($result, 0, "site_url");
-                                               $last_error = db_fetch_result($result, 0, "last_error");
-                                               $last_updated = db_fetch_result($result, 0, "last_updated");
-                                       } else {
-                                               $feed_title = getFeedTitle($feed);
-                                       }
-                               }
-                       }
-
-
-                       $content_query_part = "content, content AS content_preview, ";
-
-
-                       if (is_numeric($feed)) {
-
-                               if ($feed >= 0) {
-                                       $feed_kind = "Feeds";
-                               } else {
-                                       $feed_kind = "Labels";
-                               }
-
-                               if ($limit_query_part) {
-                                       $offset_query_part = "OFFSET $offset";
-                               }
-
-                               // proper override_order applied above
-                               if ($vfeed_query_part && !$ignore_vfeed_group && get_pref('VFEED_GROUP_BY_FEED', $owner_uid)) {
-                                       if (!$override_order) {
-                                               $order_by = "ttrss_feeds.title, $order_by";
-                                       } else {
-                                               $order_by = "ttrss_feeds.title, $override_order";
-                                       }
-                               }
-
-                               if (!$allow_archived) {
-                                       $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
-                                       $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
-
-                               } else {
-                                       $from_qpart = "ttrss_entries$ext_tables_part,ttrss_user_entries
-                                               LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
-                               }
-
-                               if ($vfeed_query_part)
-                                       $vfeed_query_part .= "favicon_avg_color,";
-
-                               $query = "SELECT DISTINCT
-                                               date_entered,
-                                               guid,
-                                               ttrss_entries.id,ttrss_entries.title,
-                                               updated,
-                                               label_cache,
-                                               tag_cache,
-                                               always_display_enclosures,
-                                               site_url,
-                                               note,
-                                               num_comments,
-                                               comments,
-                                               int_id,
-                                               uuid,
-                                               lang,
-                                               hide_images,
-                                               unread,feed_id,marked,published,link,last_read,orig_feed_id,
-                                               last_marked, last_published,
-                                               $vfeed_query_part
-                                               $content_query_part
-                                               author,score
-                                       FROM
-                                               $from_qpart
-                                       WHERE
-                                       $feed_check_qpart
-                                       ttrss_user_entries.ref_id = ttrss_entries.id AND
-                                       ttrss_user_entries.owner_uid = '$owner_uid' AND
-                                       $search_query_part
-                                       $filter_query_part
-                                       $view_query_part
-                                       $since_id_part
-                                       $query_strategy_part ORDER BY $order_by
-                                       $limit_query_part $offset_query_part";
-
-                               if ($_REQUEST["debug"]) print $query;
-
-                               $result = db_query($query);
-
-                       } else {
-                               // browsing by tag
-
-                               $select_qpart = "SELECT DISTINCT " .
-                                                               "date_entered," .
-                                                               "guid," .
-                                                               "note," .
-                                                               "ttrss_entries.id as id," .
-                                                               "title," .
-                                                               "updated," .
-                                                               "unread," .
-                                                               "feed_id," .
-                                                               "orig_feed_id," .
-                                                               "marked," .
-                                                               "num_comments, " .
-                                                               "comments, " .
-                                                               "tag_cache," .
-                                                               "label_cache," .
-                                                               "link," .
-                                                               "lang," .
-                                                               "uuid," .
-                                                               "last_read," .
-                                                               "(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images," .
-                                                               "last_marked, last_published, " .
-                                                               $since_id_part .
-                                                               $vfeed_query_part .
-                                                               $content_query_part .
-                                                               "score ";
-
-                               $feed_kind = "Tags";
-                               $all_tags = explode(",", $feed);
-                               if ($search_mode == 'any') {
-                                       $tag_sql = "tag_name in (" . implode(", ", array_map("db_quote", $all_tags)) . ")";
-                                       $from_qpart = " FROM ttrss_entries,ttrss_user_entries,ttrss_tags ";
-                                       $where_qpart = " WHERE " .
-                                                                  "ref_id = ttrss_entries.id AND " .
-                                                                  "ttrss_user_entries.owner_uid = $owner_uid AND " .
-                                                                  "post_int_id = int_id AND $tag_sql AND " .
-                                                                  $view_query_part .
-                                                                  $search_query_part .
-                                                                  $query_strategy_part . " ORDER BY $order_by " .
-                                                                  $limit_query_part;
-
-                               } else {
-                                       $i = 1;
-                                       $sub_selects = array();
-                                       $sub_ands = array();
-                                       foreach ($all_tags as $term) {
-                                               array_push($sub_selects, "(SELECT post_int_id from ttrss_tags WHERE tag_name = " . db_quote($term) . " AND owner_uid = $owner_uid) as A$i");
-                                               $i++;
-                                       }
-                                       if ($i > 2) {
-                                               $x = 1;
-                                               $y = 2;
-                                               do {
-                                                       array_push($sub_ands, "A$x.post_int_id = A$y.post_int_id");
-                                                       $x++;
-                                                       $y++;
-                                               } while ($y < $i);
-                                       }
-                                       array_push($sub_ands, "A1.post_int_id = ttrss_user_entries.int_id and ttrss_user_entries.owner_uid = $owner_uid");
-                                       array_push($sub_ands, "ttrss_user_entries.ref_id = ttrss_entries.id");
-                                       $from_qpart = " FROM " . implode(", ", $sub_selects) . ", ttrss_user_entries, ttrss_entries";
-                                       $where_qpart = " WHERE " . implode(" AND ", $sub_ands);
-                               }
-                               //                              error_log("TAG SQL: " . $tag_sql);
-                               // $tag_sql = "tag_name = '$feed'";   DEFAULT way
-
-                               //                              error_log("[". $select_qpart . "][" . $from_qpart . "][" .$where_qpart . "]");
-                               $result = db_query($select_qpart . $from_qpart . $where_qpart);
-                       }
-
-                       return array($result, $feed_title, $feed_site_url, $last_error, $last_updated, $search_words);
-
-       }
-
-       function sanitize($str, $force_remove_images = false, $owner = false, $site_url = false, $highlight_words = false) {
-               if (!$owner) $owner = $_SESSION["uid"];
-
-               $res = trim($str); if (!$res) return '';
-
-               $charset_hack = '<head>
-                       <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
-               </head>';
-
-               $res = trim($res); if (!$res) return '';
-
-               libxml_use_internal_errors(true);
-
-               $doc = new DOMDocument();
-               $doc->loadHTML($charset_hack . $res);
-               $xpath = new DOMXPath($doc);
-
-               $entries = $xpath->query('(//a[@href]|//img[@src])');
-
-               foreach ($entries as $entry) {
-
-                       if ($site_url) {
-
-                               if ($entry->hasAttribute('href'))
-                                       $entry->setAttribute('href',
-                                               rewrite_relative_url($site_url, $entry->getAttribute('href')));
-
-                               if ($entry->hasAttribute('src')) {
-                                       $src = rewrite_relative_url($site_url, $entry->getAttribute('src'));
-
-                                       $cached_filename = CACHE_DIR . '/images/' . sha1($src) . '.png';
-
-                                       if (file_exists($cached_filename)) {
-                                               $src = SELF_URL_PATH . '/image.php?hash=' . sha1($src);
-                                       }
-
-                                       $entry->setAttribute('src', $src);
-                               }
-
-                               if ($entry->nodeName == 'img') {
-                                       if (($owner && get_pref("STRIP_IMAGES", $owner)) ||
-                                                       $force_remove_images || $_SESSION["bw_limit"]) {
-
-                                               $p = $doc->createElement('p');
-
-                                               $a = $doc->createElement('a');
-                                               $a->setAttribute('href', $entry->getAttribute('src'));
-
-                                               $a->appendChild(new DOMText($entry->getAttribute('src')));
-                                               $a->setAttribute('target', '_blank');
-
-                                               $p->appendChild($a);
-
-                                               $entry->parentNode->replaceChild($p, $entry);
-                                       }
-                               }
-                       }
-
-                       if (strtolower($entry->nodeName) == "a") {
-                               $entry->setAttribute("target", "_blank");
-                       }
-               }
-
-               $entries = $xpath->query('//iframe');
-               foreach ($entries as $entry) {
-                       $entry->setAttribute('sandbox', 'allow-scripts');
-
-               }
-
-               $allowed_elements = array('a', 'address', 'audio', 'article', 'aside',
-                       'b', 'bdi', 'bdo', 'big', 'blockquote', 'body', 'br',
-                       'caption', 'cite', 'center', 'code', 'col', 'colgroup',
-                       'data', 'dd', 'del', 'details', 'div', 'dl', 'font',
-                       'dt', 'em', 'footer', 'figure', 'figcaption',
-                       'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'header', 'html', 'i',
-                       'img', 'ins', 'kbd', 'li', 'main', 'mark', 'nav', 'noscript',
-                       'ol', 'p', 'pre', 'q', 'ruby', 'rp', 'rt', 's', 'samp', 'section',
-                       'small', 'source', 'span', 'strike', 'strong', 'sub', 'summary',
-                       'sup', 'table', 'tbody', 'td', 'tfoot', 'th', 'thead', 'time',
-                       'tr', 'track', 'tt', 'u', 'ul', 'var', 'wbr', 'video' );
-
-               if ($_SESSION['hasSandbox']) $allowed_elements[] = 'iframe';
-
-               $disallowed_attributes = array('id', 'style', 'class');
-
-               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_SANITIZE) as $plugin) {
-                       $retval = $plugin->hook_sanitize($doc, $site_url, $allowed_elements, $disallowed_attributes);
-                       if (is_array($retval)) {
-                               $doc = $retval[0];
-                               $allowed_elements = $retval[1];
-                               $disallowed_attributes = $retval[2];
-                       } else {
-                               $doc = $retval;
-                       }
-               }
-
-               $doc->removeChild($doc->firstChild); //remove doctype
-               $doc = strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes);
-
-               if ($highlight_words) {
-                       foreach ($highlight_words as $word) {
-
-                               // http://stackoverflow.com/questions/4081372/highlight-keywords-in-a-paragraph
-
-                               $elements = $xpath->query('//*[contains(.,"'.$word.'")]');
-
-                               foreach ($elements as $element) {
-                                       foreach ($element->childNodes as $child) {
-
-                                               if (!$child instanceof DomText) continue;
-
-                                               $fragment = $doc->createDocumentFragment();
-                                     $text = $child->textContent;
-                                               $stubs = array();
-
-                                               while (($pos = mb_stripos($text, $word)) !== false) {
-                                                       $fragment->appendChild(new DomText(mb_substr($text, 0, $pos)));
-                                                       $word = mb_substr($text, $pos, mb_strlen($word));
-                                                       $highlight = $doc->createElement('span');
-                                                       $highlight->appendChild(new DomText($word));
-                                                       $highlight->setAttribute('class', 'highlight');
-                                                       $fragment->appendChild($highlight);
-                                                       $text = mb_substr($text, $pos + mb_strlen($word));
-                                               }
-
-                                               if (!empty($text)) $fragment->appendChild(new DomText($text));
-
-                                               $element->replaceChild($fragment, $child);
-                                       }
-                               }
-                       }
-               }
-
-               $res = $doc->saveHTML();
-
-               return $res;
-       }
-
-       function strip_harmful_tags($doc, $allowed_elements, $disallowed_attributes) {
-               $xpath = new DOMXPath($doc);
-               $entries = $xpath->query('//*');
-
-               foreach ($entries as $entry) {
-                       if (!in_array($entry->nodeName, $allowed_elements)) {
-                               $entry->parentNode->removeChild($entry);
-                       }
-
-                       if ($entry->hasAttributes()) {
-                               $attrs_to_remove = array();
-
-                               foreach ($entry->attributes as $attr) {
-
-                                       if (strpos($attr->nodeName, 'on') === 0) {
-                                               array_push($attrs_to_remove, $attr);
-                                       }
-
-                                       if (in_array($attr->nodeName, $disallowed_attributes)) {
-                                               array_push($attrs_to_remove, $attr);
-                                       }
-                               }
-
-                               foreach ($attrs_to_remove as $attr) {
-                                       $entry->removeAttributeNode($attr);
-                               }
-                       }
-               }
-
-               return $doc;
-       }
-
-       function check_for_update() {
-               if (CHECK_FOR_NEW_VERSION && $_SESSION['access_level'] >= 10) {
-                       $version_url = "http://tt-rss.org/version.php?ver=" . VERSION .
-                               "&iid=" . sha1(SELF_URL_PATH);
-
-                       $version_data = @fetch_file_contents($version_url);
-
-                       if ($version_data) {
-                               $version_data = json_decode($version_data, true);
-                               if ($version_data && $version_data['version']) {
-                                       if (version_compare(VERSION_STATIC, $version_data['version']) == -1) {
-                                               return $version_data;
-                                       }
-                               }
-                       }
-               }
-               return false;
-       }
-
-       function catchupArticlesById($ids, $cmode, $owner_uid = false) {
-
-               if (!$owner_uid) $owner_uid = $_SESSION["uid"];
-               if (count($ids) == 0) return;
-
-               $tmp_ids = array();
-
-               foreach ($ids as $id) {
-                       array_push($tmp_ids, "ref_id = '$id'");
-               }
-
-               $ids_qpart = join(" OR ", $tmp_ids);
-
-               if ($cmode == 0) {
-                       db_query("UPDATE ttrss_user_entries SET
-                       unread = false,last_read = NOW()
-                       WHERE ($ids_qpart) AND owner_uid = $owner_uid");
-               } else if ($cmode == 1) {
-                       db_query("UPDATE ttrss_user_entries SET
-                       unread = true
-                       WHERE ($ids_qpart) AND owner_uid = $owner_uid");
-               } else {
-                       db_query("UPDATE ttrss_user_entries SET
-                       unread = NOT unread,last_read = NOW()
-                       WHERE ($ids_qpart) AND owner_uid = $owner_uid");
-               }
-
-               /* update ccache */
-
-               $result = db_query("SELECT DISTINCT feed_id FROM ttrss_user_entries
-                       WHERE ($ids_qpart) AND owner_uid = $owner_uid");
-
-               while ($line = db_fetch_assoc($result)) {
-                       ccache_update($line["feed_id"], $owner_uid);
-               }
-       }
-
-       function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
-
-               $a_id = db_escape_string($id);
-
-               if (!$owner_uid) $owner_uid = $_SESSION["uid"];
-
-               $query = "SELECT DISTINCT tag_name,
-                       owner_uid as owner FROM
-                       ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
-                       ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
-
-               $tags = array();
-
-               /* check cache first */
-
-               if ($tag_cache === false) {
-                       $result = db_query("SELECT tag_cache FROM ttrss_user_entries
-                               WHERE ref_id = '$id' AND owner_uid = $owner_uid");
-
-                       $tag_cache = db_fetch_result($result, 0, "tag_cache");
-               }
-
-               if ($tag_cache) {
-                       $tags = explode(",", $tag_cache);
-               } else {
-
-                       /* do it the hard way */
-
-                       $tmp_result = db_query($query);
-
-                       while ($tmp_line = db_fetch_assoc($tmp_result)) {
-                               array_push($tags, $tmp_line["tag_name"]);
-                       }
-
-                       /* update the cache */
-
-                       $tags_str = db_escape_string(join(",", $tags));
-
-                       db_query("UPDATE ttrss_user_entries
-                               SET tag_cache = '$tags_str' WHERE ref_id = '$id'
-                               AND owner_uid = $owner_uid");
-               }
-
-               return $tags;
-       }
-
-       function trim_array($array) {
-               $tmp = $array;
-               array_walk($tmp, 'trim');
-               return $tmp;
-       }
-
-       function tag_is_valid($tag) {
-               if ($tag == '') return false;
-               if (preg_match("/^[0-9]*$/", $tag)) return false;
-               if (mb_strlen($tag) > 250) return false;
-
-               if (function_exists('iconv')) {
-                       $tag = iconv("utf-8", "utf-8", $tag);
-               }
-
-               if (!$tag) return false;
-
-               return true;
-       }
-
-       function render_login_form() {
-               header('Cache-Control: public');
-
-               require_once "login_form.php";
-               exit;
-       }
-
-       function format_warning($msg, $id = "") {
-               global $link;
-               return "<div class=\"warning\" id=\"$id\">
-                       <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
-       }
-
-       function format_notice($msg, $id = "") {
-               global $link;
-               return "<div class=\"notice\" id=\"$id\">
-                       <span><img src=\"images/information.png\"></span><span>$msg</span></div>";
-       }
-
-       function format_error($msg, $id = "") {
-               global $link;
-               return "<div class=\"error\" id=\"$id\">
-                       <span><img src=\"images/alert.png\"></span><span>$msg</span></div>";
-       }
-
-       function print_notice($msg) {
-               return print format_notice($msg);
-       }
-
-       function print_warning($msg) {
-               return print format_warning($msg);
-       }
-
-       function print_error($msg) {
-               return print format_error($msg);
-       }
-
-
-       function T_sprintf() {
-               $args = func_get_args();
-               return vsprintf(__(array_shift($args)), $args);
-       }
-
-       function format_inline_player($url, $ctype) {
-
-               $entry = "";
-
-               $url = htmlspecialchars($url);
-
-               if (strpos($ctype, "audio/") === 0) {
-
-                       if ($_SESSION["hasAudio"] && (strpos($ctype, "ogg") !== false ||
-                               $_SESSION["hasMp3"])) {
-
-                               $entry .= "<audio preload=\"none\" controls>
-                                       <source type=\"$ctype\" src=\"$url\"></source>
-                                       </audio>";
-
-                       } else {
-
-                               $entry .= "<object type=\"application/x-shockwave-flash\"
-                                       data=\"lib/button/musicplayer.swf?song_url=$url\"
-                                       width=\"17\" height=\"17\" style='float : left; margin-right : 5px;'>
-                                       <param name=\"movie\"
-                                               value=\"lib/button/musicplayer.swf?song_url=$url\" />
-                                       </object>";
-                       }
-
-                       if ($entry) $entry .= "&nbsp; <a target=\"_blank\"
-                               href=\"$url\">" . basename($url) . "</a>";
-
-                       return $entry;
-
-               }
-
-               return "";
-
-/*             $filename = substr($url, strrpos($url, "/")+1);
-
-               $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
-                       $filename . " (" . $ctype . ")" . "</a>"; */
-
-       }
-
-       function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
-               if (!$owner_uid) $owner_uid = $_SESSION["uid"];
-
-               $rv = array();
-
-               $rv['id'] = $id;
-
-               /* we can figure out feed_id from article id anyway, why do we
-                * pass feed_id here? let's ignore the argument :(*/
-
-               $result = db_query("SELECT feed_id FROM ttrss_user_entries
-                       WHERE ref_id = '$id'");
-
-               $feed_id = (int) db_fetch_result($result, 0, "feed_id");
-
-               $rv['feed_id'] = $feed_id;
-
-               //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
-
-               if ($mark_as_read) {
-                       $result = db_query("UPDATE ttrss_user_entries
-                               SET unread = false,last_read = NOW()
-                               WHERE ref_id = '$id' AND owner_uid = $owner_uid");
-
-                       ccache_update($feed_id, $owner_uid);
-               }
-
-               $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,lang,
-                       ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
-                       (SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
-                       (SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
-                       (SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
-                       num_comments,
-                       tag_cache,
-                       author,
-                       orig_feed_id,
-                       note
-                       FROM ttrss_entries,ttrss_user_entries
-                       WHERE   id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
-
-               if ($result) {
-
-                       $line = db_fetch_assoc($result);
-
-                       $tag_cache = $line["tag_cache"];
-
-                       $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
-                       unset($line["tag_cache"]);
-
-                       $line["content"] = sanitize($line["content"],
-                               sql_bool_to_bool($line['hide_images']),
-                               $owner_uid, $line["site_url"]);
-
-                       foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
-                               $line = $p->hook_render_article($line);
-                       }
-
-                       $num_comments = $line["num_comments"];
-                       $entry_comments = "";
-
-                       if ($num_comments > 0) {
-                               if ($line["comments"]) {
-                                       $comments_url = htmlspecialchars($line["comments"]);
-                               } else {
-                                       $comments_url = htmlspecialchars($line["link"]);
-                               }
-                               $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
-                       } else {
-                               if ($line["comments"] && $line["link"] != $line["comments"]) {
-                                       $entry_comments = "<a target='_blank' href=\"".htmlspecialchars($line["comments"])."\">comments</a>";
-                               }
-                       }
-
-                       if ($zoom_mode) {
-                               header("Content-Type: text/html");
-                               $rv['content'] .= "<html><head>
-                                               <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
-                                               <title>Tiny Tiny RSS - ".$line["title"]."</title>
-                                               <link rel=\"stylesheet\" type=\"text/css\" href=\"css/tt-rss.css\">
-                                               <script type=\"text/javascript\">
-                                               function openSelectedAttachment(elem) {
-                                                       try {
-                                                               var url = elem[elem.selectedIndex].value;
-
-                                                               if (url) {
-                                                                       window.open(url);
-                                                                       elem.selectedIndex = 0;
-                                                               }
-
-                                                       } catch (e) {
-                                                               exception_error(\"openSelectedAttachment\", e);
-                                                       }
-                                               }
-                                       </script>
-                                       </head><body id=\"ttrssZoom\">";
-                       }
-
-                       $rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
-
-                       $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
-
-                       $entry_author = $line["author"];
-
-                       if ($entry_author) {
-                               $entry_author = __(" - ") . $entry_author;
-                       }
-
-                       $parsed_updated = make_local_datetime($line["updated"], true,
-                               $owner_uid, true);
-
-                       if (!$zoom_mode)
-                               $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
-
-                       if ($line["link"]) {
-                               $rv['content'] .= "<div class='postTitle'><a target='_blank'
-                                       title=\"".htmlspecialchars($line['title'])."\"
-                                       href=\"" .
-                                       htmlspecialchars($line["link"]) . "\">" .
-                                       $line["title"] . "</a>" .
-                                       "<span class='author'>$entry_author</span></div>";
-                       } else {
-                               $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
-                       }
-
-                       if ($zoom_mode)
-                               $rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
-
-                       $tags_str = format_tags_string($line["tags"], $id);
-                       $tags_str_full = join(", ", $line["tags"]);
-
-                       if (!$tags_str_full) $tags_str_full = __("no tags");
-
-                       if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
-
-                       $rv['content'] .= "<div class='postTags' style='float : right'>
-                               <img src='images/tag.png'
-                               class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
-
-                       if (!$zoom_mode) {
-                               $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
-                                       <a title=\"".__('Edit tags for this article')."\"
-                                       href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
-
-                               $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
-                                       id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
-                                       position=\"below\">$tags_str_full</div>";
-
-                               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
-                                       $rv['content'] .= $p->hook_article_button($line);
-                               }
-
-                       } else {
-                               $tags_str = strip_tags($tags_str);
-                               $rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
-                       }
-                       $rv['content'] .= "</div>";
-                       $rv['content'] .= "<div clear='both'>";
-
-                       foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
-                               $rv['content'] .= $p->hook_article_left_button($line);
-                       }
-
-                       $rv['content'] .= "$entry_comments</div>";
-
-                       if ($line["orig_feed_id"]) {
-
-                               $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
-                                       WHERE id = ".$line["orig_feed_id"]);
-
-                               if (db_num_rows($tmp_result) != 0) {
-
-                                       $rv['content'] .= "<div clear='both'>";
-                                       $rv['content'] .= __("Originally from:");
-
-                                       $rv['content'] .= "&nbsp;";
-
-                                       $tmp_line = db_fetch_assoc($tmp_result);
-
-                                       $rv['content'] .= "<a target='_blank'
-                                               href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
-                                               $tmp_line['title'] . "</a>";
-
-                                       $rv['content'] .= "&nbsp;";
-
-                                       $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
-                                       $rv['content'] .= "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
-
-                                       $rv['content'] .= "</div>";
-                               }
-                       }
-
-                       $rv['content'] .= "</div>";
-
-                       $rv['content'] .= "<div id=\"POSTNOTE-$id\">";
-                               if ($line['note']) {
-                                       $rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
-                               }
-                       $rv['content'] .= "</div>";
-
-                       if (!$line['lang']) $line['lang'] = 'en';
-
-                       $rv['content'] .= "<div class=\"postContent\" lang=\"".$line['lang']."\">";
-
-                       $rv['content'] .= $line["content"];
-                       $rv['content'] .= format_article_enclosures($id,
-                               sql_bool_to_bool($line["always_display_enclosures"]),
-                               $line["content"],
-                               sql_bool_to_bool($line["hide_images"]));
-
-                       $rv['content'] .= "</div>";
-
-                       $rv['content'] .= "</div>";
-
-               }
-
-               if ($zoom_mode) {
-                       $rv['content'] .= "
-                               <div class='footer'>
-                               <button onclick=\"return window.close()\">".
-                                       __("Close this window")."</button></div>";
-                       $rv['content'] .= "</body></html>";
-               }
-
-               return $rv;
-
-       }
-
-       function print_checkpoint($n, $s) {
-               $ts = microtime(true);
-               echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
-               return $ts;
-       }
-
-       function sanitize_tag($tag) {
-               $tag = trim($tag);
-
-               $tag = mb_strtolower($tag, 'utf-8');
-
-               $tag = preg_replace('/[\'\"\+\>\<]/', "", $tag);
-
-//             $tag = str_replace('"', "", $tag);
-//             $tag = str_replace("+", " ", $tag);
-               $tag = str_replace("technorati tag: ", "", $tag);
-
-               return $tag;
-       }
-
-       function get_self_url_prefix() {
-               if (strrpos(SELF_URL_PATH, "/") === strlen(SELF_URL_PATH)-1) {
-                       return substr(SELF_URL_PATH, 0, strlen(SELF_URL_PATH)-1);
-               } else {
-                       return SELF_URL_PATH;
-               }
-       }
-
-       /**
-        * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
-        *
-        * @return string The Mozilla Firefox feed adding URL.
-        */
-       function add_feed_url() {
-               //$url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
-
-               $url_path = get_self_url_prefix() .
-                       "/public.php?op=subscribe&feed_url=%s";
-               return $url_path;
-       } // function add_feed_url
-
-       function encrypt_password($pass, $salt = '', $mode2 = false) {
-               if ($salt && $mode2) {
-                       return "MODE2:" . hash('sha256', $salt . $pass);
-               } else if ($salt) {
-                       return "SHA1X:" . sha1("$salt:$pass");
-               } else {
-                       return "SHA1:" . sha1($pass);
-               }
-       } // function encrypt_password
-
-       function load_filters($feed_id, $owner_uid, $action_id = false) {
-               $filters = array();
-
-               $cat_id = (int)getFeedCategory($feed_id);
-
-               $result = db_query("SELECT * FROM ttrss_filters2 WHERE
-                       owner_uid = $owner_uid AND enabled = true ORDER BY order_id, title");
-
-               $check_cats = join(",", array_merge(
-                       getParentCategories($cat_id, $owner_uid),
-                       array($cat_id)));
-
-               while ($line = db_fetch_assoc($result)) {
-                       $filter_id = $line["id"];
-
-                       $result2 = db_query("SELECT
-                               r.reg_exp, r.inverse, r.feed_id, r.cat_id, r.cat_filter, t.name AS type_name
-                               FROM ttrss_filters2_rules AS r,
-                               ttrss_filter_types AS t
-                               WHERE
-                                       (cat_id IS NULL OR cat_id IN ($check_cats)) AND
-                                       (feed_id IS NULL OR feed_id = '$feed_id') AND
-                                       filter_type = t.id AND filter_id = '$filter_id'");
-
-                       $rules = array();
-                       $actions = array();
-
-                       while ($rule_line = db_fetch_assoc($result2)) {
-#                              print_r($rule_line);
-
-                               $rule = array();
-                               $rule["reg_exp"] = $rule_line["reg_exp"];
-                               $rule["type"] = $rule_line["type_name"];
-                               $rule["inverse"] = sql_bool_to_bool($rule_line["inverse"]);
-
-                               array_push($rules, $rule);
-                       }
-
-                       $result2 = db_query("SELECT a.action_param,t.name AS type_name
-                               FROM ttrss_filters2_actions AS a,
-                               ttrss_filter_actions AS t
-                               WHERE
-                                       action_id = t.id AND filter_id = '$filter_id'");
-
-                       while ($action_line = db_fetch_assoc($result2)) {
-#                              print_r($action_line);
-
-                               $action = array();
-                               $action["type"] = $action_line["type_name"];
-                               $action["param"] = $action_line["action_param"];
-
-                               array_push($actions, $action);
-                       }
-
-
-                       $filter = array();
-                       $filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
-                       $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
-                       $filter["rules"] = $rules;
-                       $filter["actions"] = $actions;
-
-                       if (count($rules) > 0 && count($actions) > 0) {
-                               array_push($filters, $filter);
-                       }
-               }
-
-               return $filters;
-       }
-
-       function get_score_pic($score) {
-               if ($score > 100) {
-                       return "score_high.png";
-               } else if ($score > 0) {
-                       return "score_half_high.png";
-               } else if ($score < -100) {
-                       return "score_low.png";
-               } else if ($score < 0) {
-                       return "score_half_low.png";
-               } else {
-                       return "score_neutral.png";
-               }
-       }
-
-       function feed_has_icon($id) {
-               return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
-       }
-
-       function init_plugins() {
-               PluginHost::getInstance()->load(PLUGINS, PluginHost::KIND_ALL);
-
-               return true;
-       }
-
-       function format_tags_string($tags, $id) {
-               if (!is_array($tags) || count($tags) == 0) {
-                       return __("no tags");
-               } else {
-                       $maxtags = min(5, count($tags));
-
-                       for ($i = 0; $i < $maxtags; $i++) {
-                               $tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed('".$tags[$i]."')\">" . $tags[$i] . "</a>, ";
-                       }
-
-                       $tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
-
-                       if (count($tags) > $maxtags)
-                               $tags_str .= ", &hellip;";
-
-                       return $tags_str;
-               }
-       }
-
-       function format_article_labels($labels, $id) {
-
-               if (!is_array($labels)) return '';
-
-               $labels_str = "";
-
-               foreach ($labels as $l) {
-                       $labels_str .= sprintf("<span class='hlLabelRef'
-                               style='color : %s; background-color : %s'>%s</span>",
-                                       $l[2], $l[3], $l[1]);
-                       }
-
-               return $labels_str;
-
-       }
-
-       function format_article_note($id, $note, $allow_edit = true) {
-
-               $str = "<div class='articleNote'        onclick=\"editArticleNote($id)\">
-                       <div class='noteEdit' onclick=\"editArticleNote($id)\">".
-                       ($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
-
-               return $str;
-       }
-
-
-       function get_feed_category($feed_cat, $parent_cat_id = false) {
-               if ($parent_cat_id) {
-                       $parent_qpart = "parent_cat = '$parent_cat_id'";
-                       $parent_insert = "'$parent_cat_id'";
-               } else {
-                       $parent_qpart = "parent_cat IS NULL";
-                       $parent_insert = "NULL";
-               }
-
-               $result = db_query(
-                       "SELECT id FROM ttrss_feed_categories
-                       WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
-
-               if (db_num_rows($result) == 0) {
-                       return false;
-               } else {
-                       return db_fetch_result($result, 0, "id");
-               }
-       }
-
-       function add_feed_category($feed_cat, $parent_cat_id = false) {
-
-               if (!$feed_cat) return false;
-
-               db_query("BEGIN");
-
-               if ($parent_cat_id) {
-                       $parent_qpart = "parent_cat = '$parent_cat_id'";
-                       $parent_insert = "'$parent_cat_id'";
-               } else {
-                       $parent_qpart = "parent_cat IS NULL";
-                       $parent_insert = "NULL";
-               }
-
-               $feed_cat = mb_substr($feed_cat, 0, 250);
-
-               $result = db_query(
-                       "SELECT id FROM ttrss_feed_categories
-                       WHERE $parent_qpart AND title = '$feed_cat' AND owner_uid = ".$_SESSION["uid"]);
-
-               if (db_num_rows($result) == 0) {
-
-                       $result = db_query(
-                               "INSERT INTO ttrss_feed_categories (owner_uid,title,parent_cat)
-                               VALUES ('".$_SESSION["uid"]."', '$feed_cat', $parent_insert)");
-
-                       db_query("COMMIT");
-
-                       return true;
-               }
-
-               return false;
-       }
-
-       function getArticleFeed($id) {
-               $result = db_query("SELECT feed_id FROM ttrss_user_entries
-                       WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
-
-               if (db_num_rows($result) != 0) {
-                       return db_fetch_result($result, 0, "feed_id");
-               } else {
-                       return 0;
-               }
-       }
-
-       /**
-        * Fixes incomplete URLs by prepending "http://".
-        * Also replaces feed:// with http://, and
-        * prepends a trailing slash if the url is a domain name only.
-        *
-        * @param string $url Possibly incomplete URL
-        *
-        * @return string Fixed URL.
-        */
-       function fix_url($url) {
-               if (strpos($url, '://') === false) {
-                       $url = 'http://' . $url;
-               } else if (substr($url, 0, 5) == 'feed:') {
-                       $url = 'http:' . substr($url, 5);
-               }
-
-               //prepend slash if the URL has no slash in it
-               // "http://www.example" -> "http://www.example/"
-               if (strpos($url, '/', strpos($url, ':') + 3) === false) {
-                       $url .= '/';
-               }
-
-               if ($url != "http:///")
-                       return $url;
-               else
-                       return '';
-       }
-
-       function validate_feed_url($url) {
-               $parts = parse_url($url);
-
-               return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
-
-       }
-
-       function get_article_enclosures($id) {
-
-               $query = "SELECT * FROM ttrss_enclosures
-                       WHERE post_id = '$id' AND content_url != ''";
-
-               $rv = array();
-
-               $result = db_query($query);
-
-               if (db_num_rows($result) > 0) {
-                       while ($line = db_fetch_assoc($result)) {
-                               array_push($rv, $line);
-                       }
-               }
-
-               return $rv;
-       }
-
-       function save_email_address($email) {
-               // FIXME: implement persistent storage of emails
-
-               if (!$_SESSION['stored_emails'])
-                       $_SESSION['stored_emails'] = array();
-
-               if (!in_array($email, $_SESSION['stored_emails']))
-                       array_push($_SESSION['stored_emails'], $email);
-       }
-
-
-       function get_feed_access_key($feed_id, $is_cat, $owner_uid = false) {
-
-               if (!$owner_uid) $owner_uid = $_SESSION["uid"];
-
-               $sql_is_cat = bool_to_sql_bool($is_cat);
-
-               $result = db_query("SELECT access_key FROM ttrss_access_keys
-                       WHERE feed_id = '$feed_id'      AND is_cat = $sql_is_cat
-                       AND owner_uid = " . $owner_uid);
-
-               if (db_num_rows($result) == 1) {
-                       return db_fetch_result($result, 0, "access_key");
-               } else {
-                       $key = db_escape_string(sha1(uniqid(rand(), true)));
-
-                       $result = db_query("INSERT INTO ttrss_access_keys
-                               (access_key, feed_id, is_cat, owner_uid)
-                               VALUES ('$key', '$feed_id', $sql_is_cat, '$owner_uid')");
-
-                       return $key;
-               }
-               return false;
-       }
-
-       function get_feeds_from_html($url, $content)
-       {
-               $url     = fix_url($url);
-               $baseUrl = substr($url, 0, strrpos($url, '/') + 1);
-
-               libxml_use_internal_errors(true);
-
-               $doc = new DOMDocument();
-               $doc->loadHTML($content);
-               $xpath = new DOMXPath($doc);
-               $entries = $xpath->query('/html/head/link[@rel="alternate"]');
-               $feedUrls = array();
-               foreach ($entries as $entry) {
-                       if ($entry->hasAttribute('href')) {
-                               $title = $entry->getAttribute('title');
-                               if ($title == '') {
-                                       $title = $entry->getAttribute('type');
-                               }
-                               $feedUrl = rewrite_relative_url(
-                                       $baseUrl, $entry->getAttribute('href')
-                               );
-                               $feedUrls[$feedUrl] = $title;
-                       }
-               }
-               return $feedUrls;
-       }
-
-       function is_html($content) {
-               return preg_match("/<html|DOCTYPE html/i", substr($content, 0, 20)) !== 0;
-       }
-
-       function url_is_html($url, $login = false, $pass = false) {
-               return is_html(fetch_file_contents($url, false, $login, $pass));
-       }
-
-       function print_label_select($name, $value, $attributes = "") {
-
-               $result = db_query("SELECT caption FROM ttrss_labels2
-                       WHERE owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
-
-               print "<select default=\"$value\" name=\"" . htmlspecialchars($name) .
-                       "\" $attributes onchange=\"labelSelectOnChange(this)\" >";
-
-               while ($line = db_fetch_assoc($result)) {
-
-                       $issel = ($line["caption"] == $value) ? "selected=\"1\"" : "";
-
-                       print "<option value=\"".htmlspecialchars($line["caption"])."\"
-                               $issel>" . htmlspecialchars($line["caption"]) . "</option>";
-
-               }
-
-#              print "<option value=\"ADD_LABEL\">" .__("Add label...") . "</option>";
-
-               print "</select>";
-
-
-       }
-
-       function format_article_enclosures($id, $always_display_enclosures,
-                                       $article_content, $hide_images = false) {
-
-               $result = get_article_enclosures($id);
-               $rv = '';
-
-               if (count($result) > 0) {
-
-                       $entries_html = array();
-                       $entries = array();
-                       $entries_inline = array();
-
-                       foreach ($result as $line) {
-
-                               $url = $line["content_url"];
-                               $ctype = $line["content_type"];
-
-                               if (!$ctype) $ctype = __("unknown type");
-
-                               $filename = substr($url, strrpos($url, "/")+1);
-
-                               $player = format_inline_player($url, $ctype);
-
-                               if ($player) array_push($entries_inline, $player);
-
-#                              $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
-#                                      $filename . " (" . $ctype . ")" . "</a>";
-
-                               $entry = "<div onclick=\"window.open('".htmlspecialchars($url)."')\"
-                                       dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
-
-                               array_push($entries_html, $entry);
-
-                               $entry = array();
-
-                               $entry["type"] = $ctype;
-                               $entry["filename"] = $filename;
-                               $entry["url"] = $url;
-
-                               array_push($entries, $entry);
-                       }
-
-                       if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
-                               if ($always_display_enclosures ||
-                                                       !preg_match("/<img/i", $article_content)) {
-
-                                       foreach ($entries as $entry) {
-
-                                               if (preg_match("/image/", $entry["type"]) ||
-                                                               preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
-
-                                                               if (!$hide_images) {
-                                                                       $rv .= "<p><img
-                                                                       alt=\"".htmlspecialchars($entry["filename"])."\"
-                                                                       src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
-                                                               } else {
-                                                                       $rv .= "<p><a target=\"_blank\"
-                                                                       href=\"".htmlspecialchars($entry["url"])."\"
-                                                                       >" .htmlspecialchars($entry["url"]) . "</a></p>";
-
-                                                               }
-                                               }
-                                       }
-                               }
-                       }
-
-                       if (count($entries_inline) > 0) {
-                               $rv .= "<hr clear='both'/>";
-                               foreach ($entries_inline as $entry) { $rv .= $entry; };
-                               $rv .= "<hr clear='both'/>";
-                       }
-
-                       $rv .= "<select class=\"attachments\" onchange=\"openSelectedAttachment(this)\">".
-                               "<option value=''>" . __('Attachments')."</option>";
-
-                       foreach ($entries as $entry) {
-                               $rv .= "<option value=\"".htmlspecialchars($entry["url"])."\">" . htmlspecialchars($entry["filename"]) . "</option>";
-
-                       };
-
-                       $rv .= "</select>";
-               }
-
-               return $rv;
-       }
-
-       function getLastArticleId() {
-               $result = db_query("SELECT MAX(ref_id) AS id FROM ttrss_user_entries
-                       WHERE owner_uid = " . $_SESSION["uid"]);
-
-               if (db_num_rows($result) == 1) {
-                       return db_fetch_result($result, 0, "id");
-               } else {
-                       return -1;
-               }
-       }
-
-       function build_url($parts) {
-               return $parts['scheme'] . "://" . $parts['host'] . $parts['path'];
-       }
-
-       /**
-        * Converts a (possibly) relative URL to a absolute one.
-        *
-        * @param string $url     Base URL (i.e. from where the document is)
-        * @param string $rel_url Possibly relative URL in the document
-        *
-        * @return string Absolute URL
-        */
-       function rewrite_relative_url($url, $rel_url) {
-               if (strpos($rel_url, ":") !== false) {
-                       return $rel_url;
-               } else if (strpos($rel_url, "://") !== false) {
-                       return $rel_url;
-               } else if (strpos($rel_url, "//") === 0) {
-                       # protocol-relative URL (rare but they exist)
-                       return $rel_url;
-               } else if (strpos($rel_url, "/") === 0)
-               {
-                       $parts = parse_url($url);
-                       $parts['path'] = $rel_url;
-
-                       return build_url($parts);
-
-               } else {
-                       $parts = parse_url($url);
-                       if (!isset($parts['path'])) {
-                               $parts['path'] = '/';
-                       }
-                       $dir = $parts['path'];
-                       if (substr($dir, -1) !== '/') {
-                               $dir = dirname($parts['path']);
-                               $dir !== '/' && $dir .= '/';
-                       }
-                       $parts['path'] = $dir . $rel_url;
-
-                       return build_url($parts);
-               }
-       }
-
-       function sphinx_search($query, $offset = 0, $limit = 30) {
-               require_once 'lib/sphinxapi.php';
-
-               $sphinxClient = new SphinxClient();
-
-               $sphinxpair = explode(":", SPHINX_SERVER, 2);
-
-               $sphinxClient->SetServer($sphinxpair[0], (int)$sphinxpair[1]);
-               $sphinxClient->SetConnectTimeout(1);
-
-               $sphinxClient->SetFieldWeights(array('title' => 70, 'content' => 30,
-                       'feed_title' => 20));
-
-               $sphinxClient->SetMatchMode(SPH_MATCH_EXTENDED2);
-               $sphinxClient->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
-               $sphinxClient->SetLimits($offset, $limit, 1000);
-               $sphinxClient->SetArrayResult(false);
-               $sphinxClient->SetFilter('owner_uid', array($_SESSION['uid']));
-
-               $result = $sphinxClient->Query($query, SPHINX_INDEX);
-
-               $ids = array();
-
-               if (is_array($result['matches'])) {
-                       foreach (array_keys($result['matches']) as $int_id) {
-                               $ref_id = $result['matches'][$int_id]['attrs']['ref_id'];
-                               array_push($ids, $ref_id);
-                       }
-               }
-
-               return $ids;
-       }
-
-       function cleanup_tags($days = 14, $limit = 1000) {
-
-               if (DB_TYPE == "pgsql") {
-                       $interval_query = "date_updated < NOW() - INTERVAL '$days days'";
-               } else if (DB_TYPE == "mysql") {
-                       $interval_query = "date_updated < DATE_SUB(NOW(), INTERVAL $days DAY)";
-               }
-
-               $tags_deleted = 0;
-
-               while ($limit > 0) {
-                       $limit_part = 500;
-
-                       $query = "SELECT ttrss_tags.id AS id
-                               FROM ttrss_tags, ttrss_user_entries, ttrss_entries
-                               WHERE post_int_id = int_id AND $interval_query AND
-                               ref_id = ttrss_entries.id AND tag_cache != '' LIMIT $limit_part";
-
-                       $result = db_query($query);
-
-                       $ids = array();
-
-                       while ($line = db_fetch_assoc($result)) {
-                               array_push($ids, $line['id']);
-                       }
-
-                       if (count($ids) > 0) {
-                               $ids = join(",", $ids);
-
-                               $tmp_result = db_query("DELETE FROM ttrss_tags WHERE id IN ($ids)");
-                               $tags_deleted += db_affected_rows($tmp_result);
-                       } else {
-                               break;
-                       }
-
-                       $limit -= $limit_part;
-               }
-
-               return $tags_deleted;
-       }
-
-       function print_user_stylesheet() {
-               $value = get_pref('USER_STYLESHEET');
-
-               if ($value) {
-                       print "<style type=\"text/css\">";
-                       print str_replace("<br/>", "\n", $value);
-                       print "</style>";
-               }
-
-       }
-
-       function filter_to_sql($filter, $owner_uid) {
-               $query = array();
-
-               if (DB_TYPE == "pgsql")
-                       $reg_qpart = "~";
-               else
-                       $reg_qpart = "REGEXP";
-
-               foreach ($filter["rules"] AS $rule) {
-                       $rule['reg_exp'] = str_replace('/', '\/', $rule["reg_exp"]);
-                       $regexp_valid = preg_match('/' . $rule['reg_exp'] . '/',
-                               $rule['reg_exp']) !== FALSE;
-
-                       if ($regexp_valid) {
-
-                               $rule['reg_exp'] = db_escape_string($rule['reg_exp']);
-
-                                       switch ($rule["type"]) {
-                                       case "title":
-                                               $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
-                                                       $rule['reg_exp'] . "')";
-                                               break;
-                                       case "content":
-                                               $qpart = "LOWER(ttrss_entries.content) $reg_qpart LOWER('".
-                                                       $rule['reg_exp'] . "')";
-                                               break;
-                                       case "both":
-                                               $qpart = "LOWER(ttrss_entries.title) $reg_qpart LOWER('".
-                                                       $rule['reg_exp'] . "') OR LOWER(" .
-                                                       "ttrss_entries.content) $reg_qpart LOWER('" . $rule['reg_exp'] . "')";
-                                               break;
-                                       case "tag":
-                                               $qpart = "LOWER(ttrss_user_entries.tag_cache) $reg_qpart LOWER('".
-                                                       $rule['reg_exp'] . "')";
-                                               break;
-                                       case "link":
-                                               $qpart = "LOWER(ttrss_entries.link) $reg_qpart LOWER('".
-                                                       $rule['reg_exp'] . "')";
-                                               break;
-                                       case "author":
-                                               $qpart = "LOWER(ttrss_entries.author) $reg_qpart LOWER('".
-                                                       $rule['reg_exp'] . "')";
-                                               break;
-                               }
-
-                               if (isset($rule['inverse'])) $qpart = "NOT ($qpart)";
-
-                               if (isset($rule["feed_id"]) && $rule["feed_id"] > 0) {
-                                       $qpart .= " AND feed_id = " . db_escape_string($rule["feed_id"]);
-                               }
-
-                               if (isset($rule["cat_id"])) {
-
-                                       if ($rule["cat_id"] > 0) {
-                                               $children = getChildCategories($rule["cat_id"], $owner_uid);
-                                               array_push($children, $rule["cat_id"]);
-
-                                               $children = join(",", $children);
-
-                                               $cat_qpart = "cat_id IN ($children)";
-                                       } else {
-                                               $cat_qpart = "cat_id IS NULL";
-                                       }
-
-                                       $qpart .= " AND $cat_qpart";
-                               }
-
-                               array_push($query, "($qpart)");
-
-                       }
-               }
-
-               if (count($query) > 0) {
-                       $fullquery = "(" . join($filter["match_any_rule"] ? "OR" : "AND", $query) . ")";
-               } else {
-                       $fullquery = "(false)";
-               }
-
-               if ($filter['inverse']) $fullquery = "(NOT $fullquery)";
-
-               return $fullquery;
-       }
-
-       if (!function_exists('gzdecode')) {
-               function gzdecode($string) { // no support for 2nd argument
-                       return file_get_contents('compress.zlib://data:who/cares;base64,'.
-                               base64_encode($string));
-               }
-       }
-
-       function get_random_bytes($length) {
-               if (function_exists('openssl_random_pseudo_bytes')) {
-                       return openssl_random_pseudo_bytes($length);
-               } else {
-                       $output = "";
-
-                       for ($i = 0; $i < $length; $i++)
-                               $output .= chr(mt_rand(0, 255));
-
-                       return $output;
-               }
-       }
-
-       function read_stdin() {
-               $fp = fopen("php://stdin", "r");
-
-               if ($fp) {
-                       $line = trim(fgets($fp));
-                       fclose($fp);
-                       return $line;
-               }
-
-               return null;
-       }
-
-       function tmpdirname($path, $prefix) {
-               // Use PHP's tmpfile function to create a temporary
-               // directory name. Delete the file and keep the name.
-               $tempname = tempnam($path,$prefix);
-               if (!$tempname)
-                       return false;
-
-               if (!unlink($tempname))
-                       return false;
-
-       return $tempname;
-       }
-
-       function getFeedCategory($feed) {
-               $result = db_query("SELECT cat_id FROM ttrss_feeds
-                       WHERE id = '$feed'");
-
-               if (db_num_rows($result) > 0) {
-                       return db_fetch_result($result, 0, "cat_id");
-               } else {
-                       return false;
-               }
-
-       }
-
-       function implements_interface($class, $interface) {
-               return in_array($interface, class_implements($class));
-       }
-
-       function geturl($url, $depth = 0){
-
-               if ($depth == 20) return $url;
-
-               if (!function_exists('curl_init'))
-                       return user_error('CURL Must be installed for geturl function to work. Ask your host to enable it or uncomment extension=php_curl.dll in php.ini', E_USER_ERROR);
-
-               $curl = curl_init();
-               $header[0] = "Accept: text/xml,application/xml,application/xhtml+xml,";
-               $header[0] .= "text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5";
-               $header[] = "Cache-Control: max-age=0";
-               $header[] = "Connection: keep-alive";
-               $header[] = "Keep-Alive: 300";
-               $header[] = "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7";
-               $header[] = "Accept-Language: en-us,en;q=0.5";
-               $header[] = "Pragma: ";
-
-               curl_setopt($curl, CURLOPT_URL, $url);
-               curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 5.1; rv:5.0) Gecko/20100101 Firefox/5.0 Firefox/5.0');
-               curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
-               curl_setopt($curl, CURLOPT_HEADER, true);
-               curl_setopt($curl, CURLOPT_REFERER, $url);
-               curl_setopt($curl, CURLOPT_ENCODING, 'gzip,deflate');
-               curl_setopt($curl, CURLOPT_AUTOREFERER, true);
-               curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
-               //curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true); //CURLOPT_FOLLOWLOCATION Disabled...
-               curl_setopt($curl, CURLOPT_TIMEOUT, 60);
-               curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
-
-               if ((OPENSSL_VERSION_NUMBER >= 0x0090808f) && (OPENSSL_VERSION_NUMBER < 0x10000000)) {
-                       curl_setopt($curl, CURLOPT_SSLVERSION, 3);
-               }
-
-               $html = curl_exec($curl);
-
-               $status = curl_getinfo($curl);
-
-               if($status['http_code']!=200){
-                       if($status['http_code'] == 301 || $status['http_code'] == 302) {
-                               curl_close($curl);
-                               list($header) = explode("\r\n\r\n", $html, 2);
-                               $matches = array();
-                               preg_match("/(Location:|URI:)[^(\n)]*/", $header, $matches);
-                               $url = trim(str_replace($matches[1],"",$matches[0]));
-                               $url_parsed = parse_url($url);
-                               return (isset($url_parsed))? geturl($url, $depth + 1):'';
-                       }
-
-                       global $fetch_last_error;
-
-                       $fetch_last_error = curl_errno($curl) . " " . curl_error($curl);
-                       curl_close($curl);
-
-                       $oline='';
-                       foreach($status as $key=>$eline){$oline.='['.$key.']'.$eline.' ';}
-                       $line =$oline." \r\n ".$url."\r\n-----------------\r\n";
-#                      $handle = @fopen('./curl.error.log', 'a');
-#                      fwrite($handle, $line);
-                       return FALSE;
-               }
-               curl_close($curl);
-               return $url;
-       }
-
-       function get_minified_js($files) {
-               require_once 'lib/jshrink/Minifier.php';
-
-               $rv = '';
-
-               foreach ($files as $js) {
-                       if (!isset($_GET['debug'])) {
-                               $cached_file = CACHE_DIR . "/js/".basename($js).".js";
-
-                               if (file_exists($cached_file) &&
-                                               is_readable($cached_file) &&
-                                               filemtime($cached_file) >= filemtime("js/$js.js")) {
-
-                                       $rv .= file_get_contents($cached_file);
-
-                               } else {
-                                       $minified = JShrink\Minifier::minify(file_get_contents("js/$js.js"));
-                                       file_put_contents($cached_file, $minified);
-                                       $rv .= $minified;
-                               }
-                       } else {
-                               $rv .= file_get_contents("js/$js.js");
-                       }
-               }
-
-               return $rv;
-       }
-
-       function stylesheet_tag($filename) {
-               $timestamp = filemtime($filename);
-
-               echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"$filename?$timestamp\"/>\n";
-       }
-
-       function javascript_tag($filename) {
-               $query = "";
-
-               if (!(strpos($filename, "?") === FALSE)) {
-                       $query = substr($filename, strpos($filename, "?")+1);
-                       $filename = substr($filename, 0, strpos($filename, "?"));
-               }
-
-               $timestamp = filemtime($filename);
-
-               if ($query) $timestamp .= "&$query";
-
-               echo "<script type=\"text/javascript\" charset=\"utf-8\" src=\"$filename?$timestamp\"></script>\n";
-       }
-
-       function calculate_dep_timestamp() {
-               $files = array_merge(glob("js/*.js"), glob("css/*.css"));
-
-               $max_ts = -1;
-
-               foreach ($files as $file) {
-                       if (filemtime($file) > $max_ts) $max_ts = filemtime($file);
-               }
-
-               return $max_ts;
-       }
-
-       function T_js_decl($s1, $s2) {
-               if ($s1 && $s2) {
-                       $s1 = preg_replace("/\n/", "", $s1);
-                       $s2 = preg_replace("/\n/", "", $s2);
-
-                       $s1 = preg_replace("/\"/", "\\\"", $s1);
-                       $s2 = preg_replace("/\"/", "\\\"", $s2);
-
-                       return "T_messages[\"$s1\"] = \"$s2\";\n";
-               }
-       }
-
-       function init_js_translations() {
-
-       print 'var T_messages = new Object();
-
-               function __(msg) {
-                       if (T_messages[msg]) {
-                               return T_messages[msg];
-                       } else {
-                               return msg;
-                       }
-               }
-
-               function ngettext(msg1, msg2, n) {
-                       return __((parseInt(n) > 1) ? msg2 : msg1);
-               }';
-
-               $l10n = _get_reader();
-
-               for ($i = 0; $i < $l10n->total; $i++) {
-                       $orig = $l10n->get_original_string($i);
-                       if(strpos($orig, "\000") !== FALSE) { // Plural forms
-                               $key = explode(chr(0), $orig);
-                               print T_js_decl($key[0], _ngettext($key[0], $key[1], 1)); // Singular
-                               print T_js_decl($key[1], _ngettext($key[0], $key[1], 2)); // Plural
-                       } else {
-                               $translation = __($orig);
-                               print T_js_decl($orig, $translation);
-                       }
-               }
-       }
-
-       function label_to_feed_id($label) {
-               return LABEL_BASE_INDEX - 1 - abs($label);
-       }
-
-       function feed_to_label_id($feed) {
-               return LABEL_BASE_INDEX - 1 + abs($feed);
-       }
-
-       function format_libxml_error($error) {
-               return T_sprintf("LibXML error %s at line %d (column %d): %s",
-                               $error->code, $error->line, $error->column,
-                               $error->message);
-       }
+       // TODO: less dumb splitting
+       require_once "functions2.php";
 
 ?>