/** * Signs user up, using regular workflow. * @return mixed response */ public function actionIndex() { $model = new SignupForm(); if ($model->load(Yii::$app->request->post())) { if (($user = $model->signup()) !== null) { if (Yii::$app->getUser()->login($user)) { return $this->goHome(); } } } return $this->render('index', ['model' => $model]); }