/**
* validation via AJAX
* @return mixed
*/
public function actionAjaxValidation($id = null)
{
if (isset($id)) {
$model = $this->findModel($id);
} else {
$model = new Tenant();
}
$model->load(Yii::$app->request->post());
Yii::$app->response->format = Response::FORMAT_JSON;
return ActiveForm::validate($model);
}
