store\controllers\SiteController::actionLogin PHP Метод

    public function actionLogin()
    {
        $this->layout = 'base';
        if (!\Yii::$app->user->isGuest) {
            return $this->goHome();
        }
        $model = new LoginForm();
        if ($model->load(Yii::$app->request->post()) && $model->validate() && $model->login()) {
            return $this->goBack();
        } else {
            return $this->render('login', ['model' => $model]);
        }
    }