infos = $infos; $this->items = $items; $this->cache_id = $cache_id; } public function format_media_rss($item_id = false) { $rss = ''. ''; $prev = $next = false; $keys = array_keys($this->items); if($item_id == false || !isset($this->items[$item_id])) { if(count($keys) == 0) return $rss.''; $item_id = $keys[0]; } $tmp_prev = $tmp_next = false; foreach($this->items as $id=>$item) { if($tmp_prev === true) { $next = $id; $tmp_prev = false; } elseif($id == $item_id) { $prev = $tmp_prev; $tmp_prev = true; } else $tmp_prev = $id; } if($prev) $rss .= ''; if($next) $rss .= '