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Commit4bb4abf

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minor#9427 [Serializer] Max depth handler support (dunglas)
This PR was merged into the master branch.Discussion----------[Serializer] Max depth handler supportDocumentssymfony/symfony#26108.Closes#9317 and#9229.Commits-------ef46c8c [Serializer] Max depth handler support
2 parentsfd879cc +ef46c8c commit4bb4abf

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‎components/serializer.rst‎

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@@ -813,6 +813,54 @@ because it is deeper than the configured maximum depth of 2::
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);
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*/
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Instead of throwing an exception, a custom callable can be executed when the maximum depth is reached. This is especially
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useful when serializing entities having unique identifiers::
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use Doctrine\Common\Annotations\AnnotationReader;
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use Symfony\Component\Serializer\Serializer;
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use Symfony\Component\Serializer\Annotation\MaxDepth;
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use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactory;
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use Symfony\Component\Serializer\Mapping\Loader\AnnotationLoader;
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use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
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class Foo
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{
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public $id;
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/**
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* @MaxDepth(1)
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*/
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public $child;
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}
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$level1 = new Foo();
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$level1->id = 1;
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$level2 = new Foo();
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$level2->id = 2;
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$level1->child = $level2;
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$level3 = new Foo();
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$level3->id = 3;
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$level2->child = $level3;
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$classMetadataFactory = new ClassMetadataFactory(new AnnotationLoader(new AnnotationReader()));
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$normalizer = new ObjectNormalizer($classMetadataFactory);
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$normalizer->setMaxDepthHandler(function ($foo) {
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return '/foos/'.$foo->id;
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});
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$serializer = new Serializer(array($normalizer));
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$result = $serializer->normalize($level1, null, array(ObjectNormalizer::ENABLE_MAX_DEPTH => true));
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/*
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$result = array(
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'id' => 1,
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'child' => array(
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'id' => 2,
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'child' => '/foos/3',
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);
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*/
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Handling Arrays
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---------------
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