code: public function getView()
      {
          if ($this->_view === null) {
              $this->_view = Yii::$app->getView();
          }
  
          return $this->_view;
      }
docs: Returns the view object that can be used to render views or view files.
  The [[render()]] and [[renderFile()]] methods will use
  this view object to implement the actual view rendering.
  If not set, it will default to the "view" application component.
  @return \yii\web\View the view object that can be used to render views or view files.