How to refresh the php page in webview

Please guide me how i can refresh the page in the webview . I am using this

<META HTTP-EQUIV=Refr开发者_JAVA技巧esh CONTENT="3">

to refresh my php page but its not working . For the server it is working well.

Thanks

---

Try:

<?
Header('Refresh:3;url=/');
?>

---

<meta http-equiv='refresh' content='0;URL=index.php'>

If this doesn't do what you want, please add additional information.