Browser reposts variables on refresh

[Anon]

if i post some variables to my php script (v3.0.x so i cant use session variables) and see the result on a new page, so i can use the refresh browser button to resent and resent the same data as often as i want. its something like a spamming feature. is there any way to prevent my server from this?

Mumpitzstuff

[Anon]

In the beginning of your script, check to see if a variable has been set and let your script act accordingly. In other words

if (!isset($somevariable)) {
// do process here
}
else {
// show default
}

once the user hits submit, set the $somevariable to some value and try it again. In addition, you may want to try setting cookies on the client machine using (PHP and/or JavaScript) and determining whether or not the user has hit the submit button already.

[Anon]

Hmmm thats clear, but is there no way that the browser dont ask me to send the post data again on a refresh???

Mumpitzstuff