/**
  *
  * delete slide from data
  */
 public function deleteSlideFromData($data)
 {
     $sliderID = UniteFunctionsRev::getVal($data, "sliderID");
     $slider = new RevSlider();
     $slider->initByID($sliderID);
     if ($slider->isSlidesFromPosts()) {
         $_arrPostsList = array_diff(explode(',', $slider->getParam('posts_list')), array(UniteFunctionsRev::getVal($data, "slideID")));
         $slider->updateParamValue('posts_list', implode(',', $_arrPostsList));
     } else {
         $slideID = UniteFunctionsRev::getVal($data, "slideID");
         $this->initByID($slideID);
         $this->deleteChildren();
         $this->deleteSlide();
     }
 }