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Commit01eb18d

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feature#42240 [Serializer] Add support for preserving empty object in object property (lyrixx)
This PR was merged into the 5.4 branch.Discussion----------[Serializer] Add support for preserving empty object in object property| Q | A| ------------- | ---| Branch? | 5.4| Bug fix? | no| New feature? | yes| Deprecations? || Tickets |Fix#38192| License | MIT| Doc PR |This PR leveragehttps://symfony.com/blog/new-in-symfony-5-3-inlined-serialization-context tofix#38192.Example:```phpclass MyDto{ public function __construct( #[Context([AbstractObjectNormalizer::PRESERVE_EMPTY_OBJECTS => true ])] public array $mapWithOption = [], #[Context([AbstractObjectNormalizer::PRESERVE_EMPTY_OBJECTS => true ])] public array $mapWithOptionAndData = ['foo' => 'bar'], public array $mapWithoutOption = [], public array $mapWithoutOptionAndData = ['foo' => 'bar'], ) { }}```Will produce:```json{"mapWithOption":{},"mapWithOptionAndData":{"foo":"bar"},"mapWithoutOption":[],"mapWithoutOptionAndData":{"foo":"bar"}}```Commits-------c422e25 [Serializer] Add support for preserving empty object in object property
2 parents7bb4eb4 +c422e25 commit01eb18d

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‎src/Symfony/Component/Serializer/CHANGELOG.md‎

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@@ -5,6 +5,7 @@ CHANGELOG
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---
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* Add support of PHP backed enumerations
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* Add support for preserving empty object in object property
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‎src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php‎

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@@ -592,6 +592,10 @@ private function updateData(array $data, string $attribute, $attributeValue, str
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return$data;
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}
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if ([] ===$attributeValue && ($context[self::PRESERVE_EMPTY_OBJECTS] ??$this->defaultContext[self::PRESERVE_EMPTY_OBJECTS] ??false)) {
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$attributeValue =new \ArrayObject();
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}
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if ($this->nameConverter) {
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$attribute =$this->nameConverter->normalize($attribute,$class,$format,$context);
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}

‎src/Symfony/Component/Serializer/Tests/SerializerTest.php‎

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@@ -535,7 +535,10 @@ public function testNormalizePreserveEmptyArrayObject()
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$object['foo'] =new \ArrayObject();
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$object['bar'] =new \ArrayObject(['notempty']);
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$object['baz'] =new \ArrayObject(['nested' =>new \ArrayObject()]);
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$this->assertEquals('{"foo":{},"bar":["notempty"],"baz":{"nested":{}}}',$serializer->serialize($object,'json', [AbstractObjectNormalizer::PRESERVE_EMPTY_OBJECTS =>true]));
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$object['innerObject'] =newclass() {
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public$map = [];
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};
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$this->assertEquals('{"foo":{},"bar":["notempty"],"baz":{"nested":{}},"innerObject":{"map":{}}}',$serializer->serialize($object,'json', [AbstractObjectNormalizer::PRESERVE_EMPTY_OBJECTS =>true]));
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}
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publicfunctiontestNormalizeScalar()

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