floc.php

<?php

namespace App\EventListener;

use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpKernel\Event\ResponseEvent;

class PermissionsPolicySubscriber implements EventSubscriberInterface
{
    public function addPermissionsPolicyHeader(ResponseEvent $event): void
    {
        $event->getResponse()->headers->set('permissions-policy', 'interest-cohort=()');
    }

    public static function getSubscribedEvents()
    {
        return [
            ResponseEvent::class => 'addPermissionsPolicyHeader',
        ];
    }
}