I'm not sure if this is specifically a PHP problem, but here we go. Is
there a way to clear the POST variables when the user refreshes a page?
Specifically, my webpage POSTs a form to update or delete a record from
the database -- it POSTs to itself, however. But if the user then clicks
the browser's refresh button, it will try to delete or modify a
non-existent record. I would like, if the users presses the refresh
button, that PHP processes the page as no POST variables are set. I have a
button on the page entitled "Reload" that executes a short Javascript:
onclick=window.location=<? echo PHP_SELF; ?> which accomplishes the
desired effect. But it tries to resend the POST information if the browser
refresh button is clicked.
I read something somewhere that seemed to imply this could be done with
PHP sessions? Is this the way to go? If so, how?
Thanks for any help.
Richard Morley
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