/** * Lists all State models. * @return mixed */ public function actionIndex() { $model = new SettingsForm(); if ($model->load(Yii::$app->request->post()) && $model->validate()) { $model->saveSettings(); Yii::$app->session->setFlash('success', __('Your changes have been saved successfully.')); return $this->redirect(['index']); } else { return $this->render('index', ['model' => $model]); } }