On Thu, Feb 16, 2006 at 01:23:23PM -0600, Richard Lynch wrote:
> On Thu, February 16, 2006 9:07 am, Mike Tuller wrote:
> > How do I clear out the POST variables, or the variables that I have
> > set from the POST variables, so that when the page is refreshed it
> > will not resubmit. I have tried unset() and have tried to set it to
> > and
> > empty value, but it doesn't seem to work.
>
> You can't clear out the POST variables -- they are SENT by the browser
> to you.
>
> The simplest solution is to set up a one-time-use token and embed that
> in your FORM data:
>
> <?php
> $connection = mysql_connect('localhost', 'username', 'password') or
> die(mysql_error());
>
> if (isset($_POST['example'])){
> $token = $_POST['token'];
> $query = "delete from token where token = '$token'";
I usually use a session based token but i guess it the result is
the same.
Curt.
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