/**
* Clears the nonce in the session ['Q']['nonce'] field and in cookie 'Q_nonce'
* @method clearNonce
*/
static function clearNonce($overwrite = false)
{
self::start();
$_SESSION['Q']['nonce'] = null;
if (!empty($_SERVER['HTTP_HOST'])) {
Q_Response::clearCookie('Q_nonce');
}
}
