public function actionCreate()
 {
     $model = new RestUser();
     if ($this->isPost() && ($data = $_POST)) {
         $model->attributes = $data;
         if ($model->save()) {
             $this->redirect(array('view', 'id' => $model), true, 201);
         }
     }
     $this->render('empty', array('model' => $model));
 }
 public static function newInstance()
 {
     if (!self::$instance instanceof self) {
         self::$instance = new self();
     }
     return self::$instance;
 }