$response = new Symfony\Component\HttpFoundation\Response(); $response->setMaxAge(3600); // 1 hour
$response = new Symfony\Component\HttpFoundation\Response(); $response->setMaxAge(0); // disable cache
$response = new Symfony\Component\HttpFoundation\Response(); $response->setMaxAge(120); // 2 minutesThe package library for Symfony\Component\HttpFoundation\Response is Symfony HttpFoundation.