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[Serializer] Custom normalizer update #18603

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[Serializer] Custom normalizer update #18603

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11 changes: 7 additions & 4 deletions serializer/custom_normalizer.rst
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Expand Up @@ -12,21 +12,24 @@ Creating a New Normalizer
Imagine you want add, modify, or remove some properties during the serialization
process. For that you'll have to create your own normalizer. But it's usually
preferable to let Symfony normalize the object, then hook into the normalization
to customize the normalized data. To do that, leverage the ``ObjectNormalizer``::
to customize the normalized data. To do that, leverage the
``NormalizerAwareInterface`` and the ``NormalizerAwareTrait``. This will give
you access to a ``$normalizer`` property which takes care of most of the
normalization process::

// src/Serializer/TopicNormalizer.php
namespace App\Serializer;

use App\Entity\Topic;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Serializer\Normalizer\NormalizerInterface;
use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;

class TopicNormalizer implements NormalizerInterface
class TopicNormalizer implements NormalizerInterface, NormalizerAwareInterface
{
use NormalizerAwareTrait;

public function __construct(
private UrlGeneratorInterface $router,
private ObjectNormalizer $normalizer,
) {
}

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