RE: [PHP] Cache

I guess you are right, I'll have to work better on the logic :) Sincerely berber Visit http://www.weberdev.com/ Today!!! To see where PHP might take you tomorrow. -----Original Message----- From: Ford, Mike [LSS] [mailto:M.Ford@lmu.ac.uk] Sent: Wednesday, May 21, 2003 12:32 PM To: Boaz Yahav; php-general@lists.php.net Subject: RE: [PHP] Cache > -----Original Message----- > From: Boaz Yahav [mailto:berber@netvision.net.il] > Sent: 21 May 2003 09:53 > > This is not my intention :) > I don't want to actually disable the back button, but just > not allow to > go back to a specific page. > > This is very common on sites that use ecommerce and don't > want you to go > back to the payment page right after you finished paying to avoider > double payments. > > I can see this work on other sites. I can see the headers > they send, and > this is the message you get on IE when you use this feature : > > Warning: Page has Expired > The page you requested was created using information you > submitted in a > form. > This page is no longer available. > As a security precaution, Internet Explorer does not automatically > resubmit your information for you. > > To resubmit your information and view this Web page, click the Refresh > button. Well, that's just IE being dense and not obeying standards -- other browsers will just redisplay the page as originally seen, without referring to the server at all. Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning & Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: m.ford@lmu.ac.uk Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211