I hear you, but how do I know if the POST comes from a valid form 
submit, or from a "back" ? I cannot simply unset the $_POST vars, as 
that will prevent anything from being posted correctly, right?


CÚsar Aracena wrote:

>I think that would be easy just by UNSETTING or emptying the variables
>that the form passed after they are processed. Do I make sence?
>
>CÚsar
>
>>-----Original Message-----
>>From: Petre [mailto:[EMAIL PROTECTED]]
>>Sent: Wednesday, July 31, 2002 2:43 PM
>>To: Martin Clifford
>>Cc: php-general
>>Subject: Re: [PHP] Disabling Browser "BACK" button
>>
>>Well, OK, then, How do you  design the app NOT to allow the form to
>>
>POST
>
>>again when the user hits "BACK"
>>
>>Martin Clifford wrote:
>>
>>>There is never a way to disable back, forward, home, etc buttons.
>>>
>They
>
>>all have shortcuts that will ALWAYS work, so there's really no point.
>>Additionally, it's all nice and good that your site works fine without
>>using cookies, and don't take this offensively, but if the client
>>
>cannot
>
>>use the back button without getting mishapen results, then it doesn't
>>sound as if the site is designed very efficiently.
>>
>>>Just my opinion.
>>>
>>>Martin Clifford
>>>Homepage: http://www.completesource.net
>>>Developer's Forums: http://www.completesource.net/forums/
>>>
>>>
>>>>>>Petre <[EMAIL PROTECTED]> 07/31/02 01:16PM >>>
>>>>>>
>>>HI
>>>Is there a way I can disable the client's browser back button,
>>>
>forcing
>
>>>them to use the navigation I built into the page?
>>>Ideally, when they try to press "BACK" on browser, a popup asking
>>>
>them
>
>>>to use the navigation instead would win first prize.
>>>
>>>The reason I'm asking is again to do with sessions, I have an app
>>>running 100% now without using cookies, but if the user hits BACK and
>>>ignores the expire warning, the app produces unwanted results ( adds
>>>form data again to the db etc.)
>>>Just want to patch the holes.
>>>
>>>Maybe write my own little browser that has no back button??
>>>
>>>
>>>
>>
>>
>>--
>>PHP General Mailing List (http://www.php.net/)
>>To unsubscribe, visit: http://www.php.net/unsub.php
>>
>
>



-- 
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to