DeliveryBackendController::actionDelete PHP Метод

    public function actionDelete($id)
    {
        if (Yii::app()->getRequest()->getIsPostRequest()) {
            $this->loadModel($id)->delete();
            Yii::app()->user->setFlash(yupe\widgets\YFlashMessages::SUCCESS_MESSAGE, Yii::t('DeliveryModule.delivery', 'Record removed!'));
            if (!isset($_GET['ajax'])) {
                $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : ['index']);
            }
        } else {
            throw new CHttpException(400, Yii::t('DeliveryModule.delivery', 'Unknown request. Don\'t repeat it please!'));
        }
    }