Wouldn't this actually bring me back to empty form? > On 9/13/06, afan@xxxxxxxx <afan@xxxxxxxx> wrote: >> >> sorry, but didn't get this one. could you please elaborate it a little >> bi >> to me? >> >> thanks. >> >> >> >> > On 9/13/06, afan@xxxxxxxx <afan@xxxxxxxx> wrote: >> >> >> >> Hi, >> >> Could somebody explain to me what to do to skip this message I'm >> getting >> >> after I search for some products on my page, got the list of >> products, >> >> selected a detailed view of the product and click on the Back button >> of >> >> the browser to see again list of found products (result page): >> >> "The Page you are trying to view contains POSTDATA that has expired >> from >> >> cache. If you resend the data, any action the form carried out such >> as >> a >> >> search or online purchase) will be repeated. To resend the data, >> click >> >> OK. >> >> Otherwise, click Cancel." >> >> >> >> Thanks for any help. >> >> >> >> -afan >> >> >> >> -- >> >> PHP General Mailing List (http://www.php.net/) >> >> To unsubscribe, visit: http://www.php.net/unsub.php >> >> >> >> If you add a header redirect [header('Location:');] after your script >> > processes the POST data you can avoid this. >> > >> >> Sure.. > > Say you have form.php. This page will post to process.php. (Just an > example. Having form.php post to itself is fine too and how I always do > my > forms since on error I redisplay them with filled values) > > Inside process.php you might have something like > > <?php > if (strtolower($_SERVER['REQUEST_METHOD']) == 'post') { > //do processing here > if ( success ) { > header('Location: http://example.com/thanks.php'); > } else { > header('Location: http://example.com/form.php'); > } // if > } // if > > session_write_close(); // if you're using sessions > exit(); > ?> > > Now when your form posts to process, your script will either go back to > the > form.php on error, or thanks.php on success. Because process.php issues a > redirect, this tells the browser to ignore process.php in the history it > saves. If a user clicks the back button it will go to form.php because > process.php returned a 403 header and was "ignored" for lack of a better > word. > > Hope that helps! > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
