/**
  * Get slug of homepage
  *
  * @return string
  */
 public static function home_page()
 {
     if (CACHE) {
         $obj = Cache::remember('home_page_' . SITE_LANG, function () {
             return CmsPage::where_is_home(1)->where_lang(SITE_LANG)->first();
         }, 1440);
     } else {
         $obj = CmsPage::where_is_home(1)->where_lang(SITE_LANG)->first();
     }
     if (empty($obj)) {
         return '/';
     }
     return $obj->slug;
 }