php redirect after page load

Deleted User 234324 · 2 Sep 2008 at 12:14

Hi folks,

How would i go about redirecting a page in php after the page has loaded ?

Basically i have a page which checks to see if a user has filled in a form if they havent it redirects them to the start of the form but header() wont work as the page has already loaded.

Any ideas ?

marc2003 · 2 Sep 2008 at 12:22

do all your form validation before sending anything to the screen.

PHP:

if($_POST) {
   //check form
   //if good use header location to re-direct page
}
<html>
//form goes here
</html>

Deleted User 234324 · 2 Sep 2008 at 12:40

The redirect needs to take place after the form information has been verified and then emailed to the correct location so I cant see how i can avoid displaying first.

marc2003 · 2 Sep 2008 at 12:54

well you can use this line at the top of the script.

ob_start()

that should work i think. but i still don't get how you can't validate form data without displaying anything though.

toString · 2 Sep 2008 at 12:57

Doesn't seem the best way of doing things.. And it'll make the page pretty useless as it will flash up for half a second and then reload another page.

philjohn · 2 Sep 2008 at 14:51

KingAdora said:
Doesn't seem the best way of doing things.. And it'll make the page pretty useless as it will flash up for half a second and then reload another page.

no it wont, output buffering happens on the server, and the redirect header will be sent before any content.