private function groupInfoDO($gurl = null) { return (isset(self::$group_info) || self::$group_info = DS_DO_Factory::instance('group_info', $gurl, is_numeric($gurl)?DS_Groups_Constants::GROUP_ID:DS_Groups_Constants::GROUP_URL))?self::$group_info:null; }


private function groupInfoDO($gurl = null) { 
        if (! isset(self::$group_info)) {
                if (is_numeric($gurl)) {
                        self::$group_info = DS_DO_Factory::instance('group_info', $gurl, DS_Groups_Constants::GROUP_ID);
                } else {
                        self::$group_info = DS_DO_Factory::instance('group_info', $gurl, DS_Groups_Constants::GROUP_URL);
                }
        }

        if (! self::$group_info) {
                return null;
        }

        return self::$group_info;
}