public function actionIndex() { $usermodel = new UserRegistrationForm(); $artmodel = new ArtisanRegistrationForm(); $usform = Yii::$app->request->post('UserRegistrationForm'); $artform = Yii::$app->request->post('ArtisanRegistrationForm'); if ($usform) { $model->attributes = $usform; if ($model->validate()) { Users::adduser($model); $model = new UserRegistrationForm(); return $this->render('index', ['usermodel' => $model, 'artmodel' => $artmodel]); } } elseif ($artform) { $model->attributes = $artform; if ($model->validate()) { Users::adduser($model); $model = new ArtisanRegistrationForm(); return $this->render('index', ['usermodel' => $usermodel, 'artmodel' => $model]); } } else { return $this->render('index', ['usermodel' => $usermodel, 'artmodel' => $artmodel]); } }