PHP/JMS Article: Add FOS Rest lib, update response.

php_jms_article_addfosrest.php

<?php

...
use JMS\Serializer\SerializerInterface;
use FOS\RestBundle\Controller\AbstractFOSRestController;

class TestAddressController extends AbstractFOSRestController
{
    /**
     * @var SerializerInterface
     */
    private $serializer;

    public function __construct(SerializerInterface $serializer)
    {
        $this->serializer = $serializer;
    }

    /**
     * @Route("/test/address", methods={"POST"})
     */
    public function post(Request $request): Response
    {
        /** @var Address $a */
        $a = $this->serializer->deserialize($request->getContent(), Address::class, 'json');

        $a->setName('Merlin');

        return $this->handleView($this->view($a));
    }
}