Introduction

HTTP_Session::setCookieless(false);
HTTP_Session::start('MySessionID');
HTTP_Session::set('variable', 'Tet string');
if (HTTP_Session::isNew()) {
    echo('new session was created with the current request');
    $visitors++; // Increase visitors count
}

// after successful login use: HTTP_Session::regenerateId();

HTTP_Session::start();
HTTP_Session::setExpire(time() + 60 * 60); // expires in one hour
HTTP_Session::setIdle(time() + 10 * 60);   // idles in ten minutes

// expired
if (HTTP_Session::isExpired()) {
    echo('Your session is expired!');
    HTTP_Session::destroy();
}

// idled
if (HTTP_Session::isIdle()) {
    echo('You've been idle for too long!');
    HTTP_Session::destroy();
}

HTTP_Session::updateIdle();