foreach (ShopCore::app()->CustomFieldsHelper->getCustomFielsdAsArray('user') as $item) {

                if ($item['is_active'] == 1) {
                    if ($item['is_required'] == 1) {
                        $val->set_rules('custom_field['. $item['id'] .']', lang($item['field_name']), 'trim|xss_clean|required');