public function actionContact()
 {
     $model = new ContactForm();
     if ($model->load(Yii::$app->request->post())) {
         $model->name = $_POST['ContactForm']['name'];
         $model->message = $_POST['ContactForm']['message'];
         $model->phone = $_POST['ContactForm']['phone'];
         if ($model->save()) {
             Yii::$app->response->redirect(array('site/contact', 'model' => $model));
         }
         return $this->refresh();
     } else {
         return $this->render('contact', ['model' => $model]);
     }
 }