diff --git a/src/Symfony/Component/Serializer/NameConverter/MetadataAwareNameConverter.php b/src/Symfony/Component/Serializer/NameConverter/MetadataAwareNameConverter.php index ea69a573632b4..7057e45134ee3 100644 --- a/src/Symfony/Component/Serializer/NameConverter/MetadataAwareNameConverter.php +++ b/src/Symfony/Component/Serializer/NameConverter/MetadataAwareNameConverter.php @@ -123,7 +123,7 @@ private function getCacheValueForAttributesMetadata(string $class, array $contex if (!$groups && ($context[AbstractNormalizer::GROUPS] ?? [])) { continue; } - if ($groups && !array_intersect($groups, $context[AbstractNormalizer::GROUPS] ?? [])) { + if ($groups && !array_intersect($groups, (array) ($context[AbstractNormalizer::GROUPS] ?? []))) { continue; } diff --git a/src/Symfony/Component/Serializer/Tests/NameConverter/MetadataAwareNameConverterTest.php b/src/Symfony/Component/Serializer/Tests/NameConverter/MetadataAwareNameConverterTest.php index d95c3ca91d2ee..540e59ed58aff 100644 --- a/src/Symfony/Component/Serializer/Tests/NameConverter/MetadataAwareNameConverterTest.php +++ b/src/Symfony/Component/Serializer/Tests/NameConverter/MetadataAwareNameConverterTest.php @@ -146,6 +146,8 @@ public function attributeAndContextProvider() return [ ['buz', 'buz', ['groups' => ['a']]], ['buzForExport', 'buz', ['groups' => ['b']]], + ['buz', 'buz', ['groups' => 'a']], + ['buzForExport', 'buz', ['groups' => 'b']], ['buz', 'buz', ['groups' => ['c']]], ['buz', 'buz', []], ];
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