Re: Clearing POST variable on page refresh

Brad Fuller wrote: >> -----Original Message----- >> From: Jochem Maas [mailto:jochem@iamjochem.com] >> Sent: Monday, December 18, 2006 3:39 AM >> To: Beauford >> Cc: PHP >> Subject: Re: [PHP] Clearing POST variable on page refresh >> >> Beauford wrote: >>> Hi, >>> >>> I have a page with a form on it which posts to itself. The problem is >> when >>> someone refreshes the page it enters the data into the DB again. How do >> I >>> clear these variables so that doesn't happen. I tried the unset >> function, >>> but no luck. I really don't want to use sessions or cookies as this is >> just >>> a simple little page, but still, it has to work right. >> sessions are no big deal - search the list archive for stuff like 'form >> token' >> until you find one of the many explainations of how to tackle this issue >> using >> a 'one time' token concept (find the posts by Richard Lynch - they are the >> most >> complete/abundant/explicit AFAICR) - the solution does use sessions, but >> like I >> said thats not a big deal at all. :-) >> >>> Thanks >>> >> -- >> PHP General Mailing List (http://www.php.net/) >> To unsubscribe, visit: http://www.php.net/unsub.php >> > > My way of getting around this has been to put the data manipulation into a > "process" page, which redirects back to the content page when its finished > processing. That way, when the user hits refresh it doesn't ask to resubmit > the data. It just refreshes the display. I can still hit the back button twice though can't I, and that would trigger another POST. >