When I logout and delet cookies, I have problems: The value of $_COOKIE['cookie_user'] is not null and echo $_COOKIE['cookie_user'] = userName. login.php: ....... setcookie("cookie_user", "$userName", time()+3600, '/','.gl.com'); setcookie("cookie_password", "$userPasswd", time()+3600, '/','.gl.com'); setcookie("cookie_depart","$userDepart",time()+3600, '/','.gl.com'); ...... logout.php: setcookie('cookie_user', '', time() - 3600, '/',''); setcookie('cookie_password', '', time() - 36000, '/',''); setcookie('cookie_depart', '', time() - 3600, '/',''); unset($_COOKIE['cookie_user']); unset($_COOKIE['cookie_password']); unset($_COOKIE['cookie_depart']); -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php