public function actionLogin() { if (!\Yii::$app->user->isGuest) { return $this->goHome(); } $model = new User(); $loginForm = new LoginForm($model, Yii::$app->request->post()); if ($loginForm->getModel()) { if ($loginForm->login(Yii::$app->user)) { return $this->goBack(); } } return $this->render('login', ['model' => $model]); }