symfony Cache-Control header no-cache code example
Example: symfony 3.4 cache control
<?php
namespace AppBundle\Listener;
use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
class ResponseListener
{
public function onKernelResponse(FilterResponseEvent $event)
{
$response = $event->getResponse();
$controller = $event->getRequest()->attributes->get('_controller');
$requiredAssetAction = "AppBundle\Controller\Website\AssetsController::assetAction";
if ($controller == $requiredAssetAction) {
$response->headers->addCacheControlDirective('max-age', 900);
$response->headers->addCacheControlDirective('s-maxage', 900);
$response->headers->addCacheControlDirective('must-revalidate', true);
$response->headers->addCacheControlDirective('public', true);
$response->headers->removeCacheControlDirective('private');
}
$event->setResponse($response);
}
}