> I am a bit confused. I have built a web site from dynamic pages using PHP > & > Mysql. When a user selects an item from a drop down list that takes then > to > a detail page. When they click back on the browser button they get a > message about the page has expired. > > Is this an issue of session or cookie? How do I correct this ?
It's an issue of using POST instead of GET and has nothing to do with PHP. Most browsers won't "re-post" POST data for you for security reasons. GET, however, is just a URL with a query string, so it simply requests it. ---John W. Holmes... Amazon Wishlist: http://www.amazon.com/o/registry/3BEXC84AB3A5E PHP Architect - A monthly magazine for PHP Professionals. Get your copy today. http://www.phparch.com/ -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
