public function actionFormView($id)
 {
     /* @var $relatedFields Fields */
     if (isset($_FILES['Form'])) {
         echo '';
     }
     $relatedFields = Fields::find()->where(['form_id' => $id])->orderBy('group')->all();
     $groupFields = $this->orderToMultidimensional($relatedFields);
     return $this->render('form-view', ['model' => $this->findModel($id), 'relatedFields' => $relatedFields, 'groupFields' => $groupFields]);
 }
 /**
  * Lists all Fields models.
  * @return mixed
  */
 public function actionIndex()
 {
     $model = new Fields();
     $dataProvider = new ActiveDataProvider(['query' => Fields::find()]);
     return $this->render('index', ['dataProvider' => $dataProvider]);
 }