> [testpage.php]
> $code = $_POST['code'];
> if (file_exists("tmp/$code")) {
> unlink("tmp/$code");
> }
> I'm pretty chuffed with it, though you pro's will probably shoot it down.
> Is it any good?
The condition for deleting the semaphore-file is not well formed.
If you only delete them if they were used you will soon have a lot of unused
md5s filling your harddrive.
Some people will open the form but not submit it.
So delete all files older x minutes!
Also filter $_POST['code'] for unallowed chars like theese: \ / | > < . : &
if (isset($_POST['code']))
$code=preg_replace("/[^0-9a-zA-Z]/","",$_POST['code']);
HTH
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