public function renew()
{
if (!$this->_hasSession() || $this->_isCLI) {
return;
}
$this->start();
$params = session_get_cookie_params();
setcookie(session_name(), '', time() - 42000, $params['path'], $params['domain'], $params['secure'], $params['httponly']);
if (session_id()) {
session_regenerate_id(true);
}
}