Return a JSON array from a Controller in Symfony

Question

I am trying return a JSON response from a controller in Symfony 2. Form example, in Spring MVC I can get a JSON response with @ResponseBody annotattion. I want get a JSON re

Answer 1

Following the best practices, I managed to do it the following way:

public function index(CityRepository $cityRepository,
                      SerializerInterface $serializer): Response 

Injecting repository & serializer.

$cities = $cityRepository->findAll();

Retrieving an array of objects.

$data = $serializer->serialize($cities, 'json');

Serializing the data into a JSON string.

return new JsonResponse($data, 200, [], true);

Passing the JSON string to JsonResponse.