319     public function comments(Doku_Event $event, $param) {  function in action_plugin_discussion
468      * @param array      $comments
472     protected function _flattenThreads($comments, $keys = null) {  argument
474             $keys = array_keys($comments);
477             if (!empty($comments[$cid]['replies'])) {
478                 $rids = $comments[$cid]['replies'];
479                 $comments = $this->_flattenThreads($comments, $rids);
480                 $comments[$cid]['replies'] = array();
482             $comments[$cid]['parent'] = '';
484         return $comments;
710     protected function _removeComment($cid, $comments) {  argument
711         if (is_array($comments[$cid]['replies'])) {
712             foreach ($comments[$cid]['replies'] as $rid) {
713                 $comments = $this->_removeComment($rid, $comments);
716         unset($comments[$cid]);
717         return $comments;
1429         $comments = unserialize(io_readFile($cfile, false));
1431         if ($comments['title']) {
1432             $title = hsc($comments['title']);
1434         $num = $comments['number'];
1435         if ((!$comments['status']) || (($comments['status'] == 2) && (!$num))) return false;