AppserverIo\Appserver\ServletEngine\Authenticator\FormAuthenticator::logout PHP Méthode

    public function logout(HttpServletRequestInterface $servletRequest)
    {
        // remove user principal and authentication method from request
        $servletRequest->setUserPrincipal();
        $servletRequest->setAuthType();
        // destroy the session explicit
        if ($session = $servletRequest->getSession()) {
            $session->destroy('Explicit logout by user!');
        }
    }