<?php $param = $_POST; $html = "<form action='https://pay.ddbill.com/gateway?input_charset=UTF-8' method='post' id='fm'>"; foreach($param as $k => $v){ $html .= "<input type='hidden' name='$k' value='$v'/>"; } $html .= "</form><script>document.getElementById('fm').submit();</script>"; echo $html;