function?encode_json($str)?{?? ????return?urldecode(json_encode(url_encode($str)));?????? } function?url_encode($str)?{?? ????if(is_array($str))?{?? ????????foreach($str?as?$key=>$value)?{?? ????????????$str[urlencode($key)]?=?url_encode($value);?? ????????}?? ????}?else?{?? ????????$str?=?urlencode($str);?? ????}???????? ????return?$str;?? }