PHP/JMS Article: Added JUST the body converter

php_jms_article_addedbodyconverter.php

<?php

...
class TestAddressController extends AbstractFOSRestController
{    
    /**
     * @Route("/test/address", methods={"POST"})
     * @ParamConverter("address", converter="fos_rest.request_body")
     */
    public function post(Address $address): Response
    {
        return new Response($this->serializer->serialize($a, 'xml'));
    }
}