Ticket #17267: 17267.diff

wp-content/themes/twentyeleven/functions.php

@@ -433 +433 @@
  * Grab the first URL from a Link post
  */
 function twentyeleven_url_grabber() {
-        global $post, $posts;
-
-        $first_url = '';
-
-        ob_start();
-        ob_end_clean();
-
-        $output = preg_match_all('/<a.+href=[\'"]([^\'"]+)[\'"].*>/i', $post->post_content, $matches);
-
-        $first_url = $matches [1] [0];
-
-        if ( empty( $first_url ) )
+        if ( ! preg_match( '/<a\s[^>]*?href=[\'"](.+?)[\'"]/is', get_the_content(), $matches ) )
                 return false;
 
-        return $first_url;
+        return esc_url_raw( $matches[1] );
 }
 
 /**
@@ -547 +536 @@
                         break;
         endswitch;
 }
-endif; // ends check for twentyeleven_comment()
- No newline at end of file
+endif; // ends check for twentyeleven_comment()