sanitize_rss: small speed improvement

diff --git a/functions.php b/functions.php
index 6508320bbb398489672ebb289cb2dcd936cc56d9..b952a5bae1f3f48f368c917b4d23834ce938bfdb 100644 (file)
--- a/functions.php
+++ b/functions.php
@@ -117,6 +117,13 @@
        require_once 'lib/magpierss/rss_utils.inc';
        require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 
+       $config = HTMLPurifier_Config::createDefault();
+
+       $allowed = "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4";
+
+       $config->set('HTML', 'Allowed', $allowed);
+       $purifier = new HTMLPurifier($config);
+
        /**
         * Print a timestamped debug message.
         * 
@@ -3682,53 +3689,15 @@
                }
        }
 
-       function strip_tags_long($string, $allowed) {
-
-               $config = HTMLPurifier_Config::createDefault();
-
-               $config->set('HTML', 'Allowed', $allowed);
-               $purifier = new HTMLPurifier($config);
-
-               return $purifier->purify($string);              
-
-       }
-
-       // http://ru2.php.net/strip-tags
-
-/*     function strip_tags_long($textstring, $allowed){
-       while($textstring != strip_tags($textstring, $allowed))
-    {
-    while (strlen($textstring) != 0)
-         {
-         if (strlen($textstring) > 1024) {
-              $otherlen = 1024;
-         } else {
-              $otherlen = strlen($textstring);
-         }
-         $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
-         $safetext .= $temptext;
-         $textstring = substr_replace($textstring,'',0,$otherlen);
-         }  
-    $textstring = $safetext;
-    }
-       return $textstring;
-} */
-
-
        function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false, $site_url = false) {
+               global $purifier;
 
                if (!$owner) $owner = $_SESSION["uid"];
 
                $res = trim($str); if (!$res) return '';
 
                if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
-
-//                     $res = strip_tags_long($res, 
-//                             "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
-
-                       $res = strip_tags_long($res, 
-                               "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
-
+                       $res = $purifier->purify($res);
                }
 
                if (get_pref($link, "STRIP_IMAGES", $owner)) {