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[DependencyInjection] Ref for autowiring alias #18749

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Aug 14, 2023
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[DependencyInjection] Ref for autowiring alias #18749

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4 changes: 3 additions & 1 deletion service_container.rst
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Expand Up @@ -1286,7 +1286,9 @@ admin email. In this case, each needs to have a unique service id:
In this case, *two* services are registered: ``site_update_manager.superadmin``
and ``site_update_manager.normal_users``. Thanks to the alias, if you type-hint
``SiteUpdateManager`` the first (``site_update_manager.superadmin``) will be passed.
If you want to pass the second, you'll need to :ref:`manually wire the service <services-wire-specific-service>`.

If you want to pass the second, you'll need to :ref:`manually wire the service <services-wire-specific-service>`
or to create a named ref:`autowiring alias <autowiring-alias>`.

.. caution::

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2 changes: 2 additions & 0 deletions service_container/autowiring.rst
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Expand Up @@ -423,6 +423,8 @@ Additionally, you can define several named autowiring aliases if you want to use
one implementation in some cases, and another implementation in some
other cases.

.. _autowiring-alias:

For instance, you may want to use the ``Rot13Transformer``
implementation by default when the ``TransformerInterface`` interface is
type hinted, but use the ``UppercaseTransformer`` implementation in some
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