php

<?php

namespace AppBundle\EventListener\Core;

use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use JMS\DiExtraBundle\Annotation as DI;

class ApiAnnotationControllerListener implements EventSubscriberInterface
{
    public function onGetResponseForController(GetResponseForControllerResultEvent $event)
    {
        $array = $event->getControllerResult();
        $convertedArray = $this->convert($array);

        $event->setResponse(new JsonResponse($convertedArray));
    }

    public static function getSubscribedEvents()
    {
        return array(
            KernelEvents::VIEW     => 'onGetResponseForController',
        );
    }
}