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[Serializer] Named Serializers do not work on intersection types #60682

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MarijnDoeve opened this issue Jun 4, 2025 · 1 comment
Open

[Serializer] Named Serializers do not work on intersection types #60682

MarijnDoeve opened this issue Jun 4, 2025 · 1 comment
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Bug Serializer Status: Needs Review

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@MarijnDoeve
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Symfony version(s) affected

7.3.0, 7.2.0

Description

Named Serializes are only injected when using SerializerInterface. When I use an intersection type like SerializerInterface&DenormalizerInterface I'm getting the default Serializer.

How to reproduce

#config/serializer.yaml
framework:
    serializer:
        named_serializers:
            somthing:
                name_converter: 'serializer.name_converter.camel_case_to_snake_case'
                default_context:
                    datetime_format: 'U'
    public function __construct(
        protected SerializerInterface&DenormalizerInterface $somethingSerializer,
    ) {
    }

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Additional Context

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@MarijnDoeve MarijnDoeve added the Bug label Jun 4, 2025
@stof
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stof commented Jun 4, 2025

Recommendation: use the #[Target] attribute instead of relying on matching by name when you expect a non-default service. This way, you will get an explicit failure instead of a silent fallback to the default one, as Symfony will know that you expect to target a specific implementation thanks to the attribute (it cannot make such assumption based on the usage of a name for the argument, as all arguments have a name)

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@stof @MarijnDoeve @carsonbot
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