public static function getJefes() { $admins = Relacion::model()->findAll('privilegio=3'); $return_name = array(); foreach ($admins as $admin) { $admin = User::model()->findbyPk($admin->id); } array_push($return_name, $admin->username); self::$_admins = $return_name ? $return_name : array(''); return self::$_admins; }