public static function init() { $controller = new DpdGroupConfigurationController(); if (Tools::isSubmit(self::SETTINGS_SAVE_ACTION)) { $controller->validateSettings(); if (!self::$errors) { $controller->createDeleteCarriers(); } if (!self::$errors) { $controller->saveSettings(); } else { $controller->module_instance->outputHTML($controller->module_instance->displayError(implode('<br />', self::$errors))); } } }