public function actionTest() { $request = Yii::$app->request; $userID = $request->post('userID'); $data['login_information'] = User::getUserInfo($userID); $data['PersonalInformation'] = PersonalInformation::getUserPersonalInfo($userID); //print_r($data['login_information']); Yii::$app->response->format = 'json'; //header json echo json_encode($data); }