How to convert json Request to an array in symfony?

Question

I am trying to convert the JSON Request $request to an array.

I have output something like this:

^ Symfony\Component\HttpFoundation\Request {#45
  +attributes: Symfony\Component\HttpFoundation\ParameterBag {#74
    #parameters: array:3 [
      "_route" => "app_movie_create"
      "_controller" => "App\Controller\MovieController::create"
      "_route_params" => []
    ]
  }
  +request: Symfony\Component\HttpFoundation\ParameterBag {#96
    #parameters: []
  }
  +query: Symfony\Component\HttpFoundation\ParameterBag {#69
    #parameters: array:1 [
      "title" => "Homecoming"
    ]
  }

I have seen some tutorials giving following solutions.

 $data = json_decode($request->getContent(), true);
        if (json_last_error() !== JSON_ERROR_NONE) {
            throw new BadRequestHttpException('invalid json body: ' . json_last_error_msg());
        }

But I am getting null in my case.

I can do like this. $request->get('title');

What would be the expected result? The request you've shared does not contain any body — Nico Haase
– Nico Haase, Commented Oct 24, 2023 at 11:25
You are misunderstanding post data, query data and request content (json formatted), but in case of real json request, you can use: $request->getPayload()->all(). See symfony.com/blog/… — Leto
– Leto, Commented Mar 28, 2024 at 15:55

Dirk Scholten · Accepted Answer · 2019-12-17 08:50:28Z

3

$request->request->all() will return you an array of all the parameters that were sent along in the request. $request->query->all() will return you an array of all the query parameters that were sent.

json_decode($request->getContent()) would only work if the person who sends the request is sending you a json string in the raw body. In your case (since you can use $request->get('title');), this wasn't happening. The request just contains some parameters and no raw json body.

answered Dec 17, 2019 at 8:50

Dirk Scholten

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Undiscouraged · Accepted Answer · 2024-04-29 08:57:23Z

3

Because the $request is a Symfony\Component\HttpFoundation\Request you can:

$data = $request->toArray();

to get an array containing the payload.

It does JSON de-serialization under the hood when the request content is properly declared to be JSON via the respective headers.

This is the preferred Symfony way in contrast to json_decode() manually.

edited Apr 29, 2024 at 8:57

answered Oct 24, 2023 at 11:23

Undiscouraged

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