/**
  *
  * scan and get all sliders post types
  */
 public static function getAllSlidersPostTypes()
 {
     $sliders = new ShowBizSlider();
     $arrSliders = $sliders->getArrSliders();
     $arrAssoc = array();
     //the post shoudl be always in
     $arrAssoc["post"] = "post";
     foreach ($arrSliders as $slider) {
         $postTypes = $slider->getParam("post_types", "post");
         $arrPostTypes = explode(",", $postTypes);
         $assoc = UniteFunctionsBiz::arrayToAssoc($arrPostTypes);
         $arrAssoc = array_merge($arrAssoc, $assoc);
     }
     $arr = UniteFunctionsBiz::assocToArray($arrAssoc);
     return $arr;
 }