"it doesn't work" doesn't tell us much. If you have PHP installed correctly, and your code is correct, I'd assume Register Globals is set to off and you're trying to access variables as if it were on.
For example, if you have a field in your form called 'name', and want to access it after the form has been submitted, instead of calling it using $name, use $_POST['name'] (assuming the method on your form is also set to post. <form method="post" action="page.php">
Cgraz
