thunderer / Serializard

        });

        $hydrators = new FallbackHydratorContainer();

        $hydrators->add($userClass, 'user', function(array $data, Hydrators $handlers) use($tagClass) {

            $tagHandler = $handlers->getHandler($tagClass);

            $user = new FakeUser($data['id'], $data['name'], $tagHandler($data['tag'], $handlers));

            foreach($data['tags'] as $tag) {

                $user->addTag($tagHandler($tag, $handlers));

            }

            return $user;

        });

        $hydrators->add($tagClass, 'tag', function(array $data, Hydrators $handlers) {

            return new FakeTag($data['id'], $data['name']);

        });

            return new FakeArticle($data['id'], $data['title'], $user, $tag);

        });

        $hydrators->add($userClass, 'user', function(array $data, HydratorContainerInterface $hydrators) use($tagClass) {

            $tag = call_user_func($hydrators->getHandler($tagClass), $data['tag'], $hydrators);

            $user = new FakeUser($data['id'], $data['name'], $tag);

            foreach($data['tags'] as $tagData) {

                $user->addTag(call_user_func($hydrators->getHandler($tagClass), $tagData, $hydrators));

            }

            return $user;

        });

        $hydrators->add($tagClass, 'tag', function(array $data, HydratorContainerInterface $hydrators) {

            return new FakeTag($data['id'], $data['name']);

        });