<?php
// Initialize the session.
// If you are using session_name("something"), don't forget it now!
session_start();
// Unset all of the session variables.
session_unset();
// Finally, destroy the session.
session_destroy();
?>
例 2$_SESSIONでセッションを破棄する
<?php
// Initialize the session.
// If you are using session_name("something"), don't forget it now!
session_start();
// Unset all of the session variables.
$_SESSION = array();
// Finally, destroy the session.
session_destroy();
?>