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[Yaml] Add @= expression syntax to YAML format reference#21983

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lacatoire wants to merge 1 commit intosymfony:7.3from
lacatoire:docs/yaml-expression-syntax
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[Yaml] Add @= expression syntax to YAML format reference#21983
lacatoire wants to merge 1 commit intosymfony:7.3from
lacatoire:docs/yaml-expression-syntax

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@lacatoire
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Summary

  • Added the @= expression prefix to the "Symfony Specific Features" section of the YAML format reference
  • Documents that strings starting with @= are treated as expressions by the DI component
  • Includes a code example and links to the full expression language documentation

As suggested by @Mynyx in the issue discussion, the "Symfony Specific Features" section is the right place for this since it's DI-specific behavior, not part of the YAML spec itself.

Fixes #21917

@carsonbot
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Hey!

Oh no, it looks like you have made this PR towards a branch that is not maintained anymore. :/
Could you update the PR base branch to target one of these branches instead? 6.4, 7.4, 8.0, 8.1.

Cheers!

Carsonbot

@carsonbot carsonbot added this to the 7.3 milestone Feb 12, 2026
@carsonbot carsonbot changed the title Add @= expression syntax to YAML format reference Add @= expression syntax to YAML format reference Feb 12, 2026
@carsonbot carsonbot changed the title Add @= expression syntax to YAML format reference [Yaml] Add @= expression syntax to YAML format reference Feb 13, 2026
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3 participants