Re[2]: [PHP] Cache

Hi BY> This is not my intention :) BY> I don't want to actually disable the back button, but just not allow to BY> go back to a specific page. BY> This is very common on sites that use ecommerce and don't want you to go BY> back to the payment page right after you finished paying to avoider BY> double payments. BY> I can see this work on other sites. I can see the headers they send, and BY> this is the message you get on IE when you use this feature : BY> Warning: Page has Expired BY> The page you requested was created using information you submitted in a BY> form. BY> This page is no longer available. BY> As a security precaution, Internet Explorer does not automatically BY> resubmit your information for you. BY> To resubmit your information and view this Web page, click the Refresh BY> button. BY> Sincerely BY> berber BY> Visit http://www.weberdev.com/ Today!!! BY> To see where PHP might take you tomorrow. You should use sessions to avoid double payments. When user has paid you should set $_SESSION['paid_flag'] to true. Check the flag on all payment pages and print appropriate content. Excuse my awful English. -- Regards Anton