public static function getTree($lang = null, $module) { $lang = null == $lang ? Gio_Core_Config_Xml::getConfig('web')->language : $lang; $conn = Gio_Db_Connection::getConnection(); $dao = new Modules_Category_Models_Mysql_Category(); $dao->setLang($lang); $dao->setConnection($conn); return $dao->getTree($module); }