session destroyed by user

[telis]

Hi everybody.Being new to php i have a problem with a script.
i have created a web form in one script in which the user will fill name,lastname,email and telephone number.The data will be saved in sessions and with the use of another php script(the one displayed below) will pe displayed on web browser.My question is how can i create the choise the session to be deleted by the user.

echo 'Hello visitor';
echo '<br><br>';
echo 'your firstname is <b>', $GET['firstname'],
'</b><br>';
echo 'your lastname is <b>', $GET['lastname'],
'</b><br>';
echo 'your email is <b>', $GET['email'],
'</b><br>';
echo 'your telephone is <b>', $GET['tel'],
'</b><br>';

thanks in advance for your answers

[bradgrafelman]

Supply a "logout" type of link. On that page, you'd simply destroy the session data (e.g. by using [man]session_destroy/man and whatnot).