Re: browser back-button problem

Look at HTML PRAGMA: no-cache =========================== marcel wrote: > hi there > I am kind of a newbie to php > so probably I am doing it all the wrong way - if - please tell me > > ok heres my problem: > the script: > I have a user-group-administration script (php4), that loads data from > a textfile and then eables the admin to delete or create new user-passwords. > the script retreives the text data from the text-file and displays the > entrys. > to every entry there is a delete-button, that sends the number of the entry. > and there are formfields and a new-button that sends the new data. > the script that is called is the same script as the one that does the > displaying, > e.g. depending on the sent variables the script delets or creates an entry > then displays the new data. > > the problem: > if someone uses the back-button of his browser, the data is transferred > again ( at > the moment I do it with POST out of the form), and the actions are executed > again. > e.g. when the user created a new entry, verytime he hits the back-button > will create > a new - similar - entry. > > How can I prevent this? > I saw several forms, that displayed this: "form is expired" thing, if you > used the back-button (?). > > > thanks a lot > marcel > > > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php