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Commit92b0775

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minor#17662 [DependencyInjection] Autowire arguments using the #[TaggedLocator] attribute (alexandre-daubois)
This PR was merged into the 5.4 branch.Discussion----------[DependencyInjection] Autowire arguments using the #[TaggedLocator] attributePartially solves#15238, follow-up of#17652.Commits-------d072fbd [DependencyInjection] Autowire arguments using the #[TaggedLocator] attribute
2 parents63da246 +d072fbd commit92b0775

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‎service_container/service_subscribers_locators.rst‎

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@@ -305,6 +305,26 @@ As shown in the previous sections, the constructor of the ``CommandBus`` class
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must type-hint its argument with ``ContainerInterface``. Then, you can get any of
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the service locator services via their ID (e.g. ``$this->locator->get('App\FooCommand')``).
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The same behavior can be achieved using the ``#[TaggedLocator]`` attribute. This
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attribute must be directly used on a ``ServiceLocator`` argument::
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// src/HandlerCollection.php
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namespace App;
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use Symfony\Component\DependencyInjection\Attribute\TaggedLocator;
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use Symfony\Component\DependencyInjection\ServiceLocator;
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class HandlerCollection
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{
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public function __construct(#[TaggedLocator('app.handler')] ServiceLocator $locator)
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{
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}
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}
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..versionadded::5.3
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The ``#[TaggedLocator]`` attribute was introduced in Symfony 5.3 and requires PHP 8.
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Reusing a Service Locator in Multiple Services
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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@@ -459,7 +479,7 @@ will share identical locators among all the services referencing them::
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// ...
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'logger' => new Reference('logger'),
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];
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$myService = $container->findDefinition(MyService::class);
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$myService->addArgument(ServiceLocatorTagPass::register($container, $locateableServices));

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