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nicolas-grekasnicolas-grekas
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bug #51369 [Serializer] Fix deserializing object collection properties (X-Coder264)
This PR was merged into the 6.3 branch. Discussion ---------- [Serializer] Fix deserializing object collection properties | Q | A | ------------- | --- | Branch? | 6.3 | Bug fix? | yes | New feature? | no | Deprecations? | no | Tickets | Fix #51261 | License | MIT | Doc PR | - On Symfony <= 6.2 serializer versions the `supportsDenormalization` was always called in `\Symfony\Component\Serializer\Serializer::getDenormalizer`. When the `getSupportedTypes` logic was introduced for Symfony 6.3 serializer some `if` statement conditions were introduced and if they are `true` the `supportsDenormalization` logic is not called at all anymore. Those conditions currently prevent a legit use-case that worked prior to 6.3 from calling the `supportsDenormalization` method - the case being when the denormalizer is supposed to denormalize a collection/array of objects. This use-case still works even on the 6.3 serializer as long as the denormalizer does not implement the new `getSupportedTypes` method, but that is triggering a deprecation. This PR aims to fix that so that denormalizing an array of objects still works even when using the new `getSupportedTypes` method in a denormalizer. cc `@tucksaun` `@nicolas`-grekas Commits ------- 32dc134 [Serializer] Fix deserializing object collection properties
2 parents bf4ea59 + 32dc134 commit 469f1cc

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‎src/Symfony/Component/Serializer/Serializer.php‎

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@@ -359,9 +359,12 @@ private function getDenormalizer(mixed $data, string $class, ?string $format, ar
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$supportedTypes = $normalizer->getSupportedTypes($format);
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$doesClassRepresentCollection = str_ends_with($class, '[]');
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foreach ($supportedTypes as $supportedType => $isCacheable) {
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if (\in_array($supportedType, ['*', 'object'], true)
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|| $class !== $supportedType && ('object' !== $genericType || !is_subclass_of($class, $supportedType))
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&& !($doesClassRepresentCollection && str_ends_with($supportedType, '[]') && is_subclass_of(strstr($class, '[]', true), strstr($supportedType, '[]', true)))
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) {
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continue;
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}

‎src/Symfony/Component/Serializer/Tests/Fixtures/FooDummyInterface.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Serializer\Tests\Fixtures;
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interface FooDummyInterface
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{
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}

‎src/Symfony/Component/Serializer/Tests/Fixtures/FooImplementationDummy.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Serializer\Tests\Fixtures;
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final class FooImplementationDummy implements FooDummyInterface
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{
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/**
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* @var string
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*/
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public $name;
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}

‎src/Symfony/Component/Serializer/Tests/Fixtures/FooInterfaceDummyDenormalizer.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Serializer\Tests\Fixtures;
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use Symfony\Component\Serializer\Normalizer\DenormalizerInterface;
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final class FooInterfaceDummyDenormalizer implements DenormalizerInterface
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{
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public function denormalize(mixed $data, string $type, string $format = null, array $context = []): array
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{
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$result = [];
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foreach ($data as $foo) {
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$fooDummy = new FooImplementationDummy();
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$fooDummy->name = $foo['name'];
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$result[] = $fooDummy;
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}
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return $result;
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}
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public function supportsDenormalization(mixed $data, string $type, string $format = null, array $context = []): bool
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{
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if (str_ends_with($type, '[]')) {
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$className = substr($type, 0, -2);
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$classImplements = class_implements($className);
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\assert(\is_array($classImplements));
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return class_exists($className) && \in_array(FooDummyInterface::class, $classImplements, true);
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}
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return false;
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}
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/**
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* @return array<string, bool>
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*/
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public function getSupportedTypes(?string $format): array
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{
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return [FooDummyInterface::class.'[]' => false];
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}
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}

‎src/Symfony/Component/Serializer/Tests/Fixtures/ObjectCollectionPropertyDummy.php‎

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Serializer\Tests\Fixtures;
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final class ObjectCollectionPropertyDummy
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{
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/**
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* @var FooImplementationDummy[]
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*/
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public $foo;
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public function getFoo(): array
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{
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return $this->foo;
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}
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}

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

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use Symfony\Component\Serializer\Tests\Fixtures\DummyObjectWithEnumConstructor;
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use Symfony\Component\Serializer\Tests\Fixtures\DummyObjectWithEnumProperty;
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use Symfony\Component\Serializer\Tests\Fixtures\FalseBuiltInDummy;
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use Symfony\Component\Serializer\Tests\Fixtures\FooImplementationDummy;
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use Symfony\Component\Serializer\Tests\Fixtures\FooInterfaceDummyDenormalizer;
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use Symfony\Component\Serializer\Tests\Fixtures\NormalizableTraversableDummy;
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use Symfony\Component\Serializer\Tests\Fixtures\ObjectCollectionPropertyDummy;
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use Symfony\Component\Serializer\Tests\Fixtures\Php74Full;
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use Symfony\Component\Serializer\Tests\Fixtures\Php80WithPromotedTypedConstructor;
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use Symfony\Component\Serializer\Tests\Fixtures\TraversableDummy;
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$serializer->deserialize('["42"]', 'int[]', 'json');
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}
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public function testDeserializeOnObjectWithObjectCollectionProperty()
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{
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$serializer = new Serializer([new FooInterfaceDummyDenormalizer(), new ObjectNormalizer(null, null, null, new PhpDocExtractor())], [new JsonEncoder()]);
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$obj = $serializer->deserialize('{"foo":[{"name":"bar"}]}', ObjectCollectionPropertyDummy::class, 'json');
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$this->assertInstanceOf(ObjectCollectionPropertyDummy::class, $obj);
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$fooDummyObjects = $obj->getFoo();
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$this->assertCount(1, $fooDummyObjects);
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$fooDummyObject = $fooDummyObjects[0];
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$this->assertInstanceOf(FooImplementationDummy::class, $fooDummyObject);
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$this->assertSame('bar', $fooDummyObject->name);
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}
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public function testDeserializeWrappedScalar()
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{
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$serializer = new Serializer([new UnwrappingDenormalizer()], ['json' => new JsonEncoder()]);

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