/**
  * Updates a particular instance of a widget.
  *
  * @see WP_Widget->update
  *
  * @param array $new_instance
  * @param array $old_instance
  *
  * @return array
  */
 public function update($new_instance, $old_instance)
 {
     $this->init_settings();
     return parent::update($new_instance, $old_instance);
 }