vendor/sulu/sulu/src/Sulu/Bundle/WebsiteBundle/EventSubscriber/GeneratorEventSubscriber.php line 40
<?php/** This file is part of Sulu.** (c) Sulu GmbH** This source file is subject to the MIT license that is bundled* with this source code in the file LICENSE.*/namespace Sulu\Bundle\WebsiteBundle\EventSubscriber;use Symfony\Component\EventDispatcher\EventSubscriberInterface;use Symfony\Component\HttpKernel\Event\ResponseEvent;use Symfony\Component\HttpKernel\KernelEvents;/*** Adds the X-Generator header.*/class GeneratorEventSubscriber implements EventSubscriberInterface{/*** @var string*/private $version;public function __construct($version){$this->version = $version;}public static function getSubscribedEvents(){return [KernelEvents::RESPONSE => 'onResponse',];}public function onResponse(ResponseEvent $event){$event->getResponse()->headers->set('X-Generator', 'Sulu/' . $this->version);}}