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[DependencyInjection] Make #[AsTaggedItem] repeatable #20522

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[DependencyInjection] Make #[AsTaggedItem] repeatable #20522

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20 changes: 20 additions & 0 deletions service_container/tags.rst
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Expand Up @@ -1281,4 +1281,24 @@ be used directly on the class of the service you want to configure::
// ...
}

The attribute can be repeated on the same class to define multiple tags
with different indexes and priorities::

// src/Handler/One.php
namespace App\Handler;

use Symfony\Component\DependencyInjection\Attribute\AsTaggedItem;

#[AsTaggedItem(index: 'handler_one', priority: 10)]
#[AsTaggedItem(index: 'handler_two', priority: 20)]
class One
{
// ...
}

.. versionadded:: 7.3

The support for repeated ``#[AsTaggedItem]`` attributes was introduced in
Symfony 7.3.

.. _`PHP constructor promotion`: https://www.php.net/manual/en/language.oop5.decon.php#language.oop5.decon.constructor.promotion
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