URL::asset PHP Метод

        public static function asset($path, $secure = null)
        {
            return \Illuminate\Routing\UrlGenerator::asset($path, $secure);
        }

 public static function getWishlist()
 {
     $user_id = Session::get('user_id');
     $error_code = ApiResponse::OK;
     $pagination = ApiResponse::pagination();
     if ($pagination == false) {
         $error_code = ApiResponse::URL_NOT_EXIST;
         $data = ApiResponse::getErrorContent(ApiResponse::URL_NOT_EXIST);
     } else {
         $page = $pagination['page'];
         $limit = $pagination['limit'];
         $wishlists = Wishlist::where('user_id', $user_id)->with('wine')->forPage($page, $limit)->get();
         if (count($wishlists) == 0) {
             $data = array();
         } else {
             foreach ($wishlists as $wishlist) {
                 $wishlist->winery = Winery::where('id', $wishlist->wine->winery_id)->first();
                 if ($wishlist->wine->image_url != null) {
                     $wishlist->wine->image_url = URL::asset($wishlist->wine->image_url);
                 }
                 if ($wishlist->wine->wine_flag != null) {
                     $wishlist->wine->wine_flag = URL::asset($wishlist->wine->wine_flag);
                 }
             }
             $data = $wishlists->toArray();
         }
     }
     return array("code" => $error_code, "data" => $data);
 }