Question 40578 in PHP Question posted in
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Symfony send array with objects to javascript – PHP

How is it possible to send an array of objects (entity) back to Javascript after an Ajax request?
If I return the array with the objects with a JSON response, the array is empty in Javascript.
Dump of array:

array:2 [
  0 => AppEntityFirewalls {#744
    -id: 2
    -ip: "test.com"
    -user: "admin"
    -pass: "pw"
    -status: AppEntityStatus {#741
      -id: 2
      -status: "Finalize"
      -update: null
      -time: null
      -firewall: AppEntityFirewalls {#744}
    }
  }
Tags:

2

Answers


  1. 0

    I’d encode the json first like

    $firewalls = [ 'your', 'firewalls' ];
$json = json_encode($firewalls);
echo $json;

    then parse it back

    $.ajax({
  type: "POST",
  url: "server.php",
  dataType: "json",
  success: function (firewalls) {
    console.log(firewalls);
  }
});

    if the datatype is set as json, jQuery should automatically parse it. If it doesn’t work, feel free to share what the browser’s developer tools say.

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  2. 0

    Do you have composer require symfony/serializer ? if not I recommend you use it.

    You can the use symfony object normalizer and serialize an entity (or array of entities) into a json.

    Create a serializer:

    use SymfonyComponentSerializerEncoderJsonEncoder;
use SymfonyComponentSerializerEncoderXmlEncoder;
use SymfonyComponentSerializerNormalizerObjectNormalizer;
use SymfonyComponentSerializerSerializer;

$encoders = [new XmlEncoder(), new JsonEncoder()];
$normalizers = [new ObjectNormalizer()];

$serializer = new Serializer($normalizers, $encoders);

    And use it with your entity or entities:

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

    You can read more about this here.

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