/** * Return admins. * @return array syperusers names */ public static function getAdmins() { if (!self::$_admins) { $admins = User::model()->active()->superuser()->findAll(); $return_name = array(); foreach ($admins as $admin) { array_push($return_name, $admin->username); } self::$_admins = $return_name ? $return_name : array(''); } return self::$_admins; }