public static function get_basket_extra_fields_array($force_refresh = false)
 {
     if ($force_refresh) {
         $networking = wpml_tm_load_tp_networking();
         $project = TranslationProxy::get_current_project();
         $extra_fields = $networking->get_extra_fields_remote($project);
     } else {
         $extra_fields = TranslationProxy::get_extra_fields_local();
     }
     return TranslationProxy::maybe_convert_extra_fields($extra_fields);
 }