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[DependencyInjection] Add the constructor option to service definition #18070

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Jun 6, 2023
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[DependencyInjection] Add the constructor option to service definition #18070

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71 changes: 71 additions & 0 deletions service_container/factories.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,77 @@ You can omit the class on the factory declaration:
->factory([null, 'create']);
};

It is also possible to use the ``constructor`` option, instead of passing ``null``
as the factory class:

.. configuration-block::

.. code-block:: php-attributes

// src/Email/NewsletterManager.php
namespace App\Email;

use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;

#[Autoconfigure(bind: ['$sender' => 'fabien@symfony.com'], constructor: 'create')]
class NewsletterManager
{
private string $sender;

public static function create(string $sender): self
{
$newsletterManager = new self();
$newsletterManager->sender = $sender;
// ...

return $newsletterManager;
}
}

.. code-block:: yaml

# config/services.yaml
services:
# ...

App\Email\NewsletterManager:
constructor: 'create'
arguments:
$sender: 'fabien@symfony.com'

.. code-block:: xml

<!-- config/services.xml -->
<?xml version="1.0" encoding="UTF-8" ?>
<container xmlns="http://symfony.com/schema/dic/services"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://symfony.com/schema/dic/services
https://symfony.com/schema/dic/services/services-1.0.xsd">

<services>
<service id="App\Email\NewsletterManager" constructor="create">
</service>
</services>
</container>

.. code-block:: php

// config/services.php
namespace Symfony\Component\DependencyInjection\Loader\Configurator;

use App\Email\NewsletterManager;

return function(ContainerConfigurator $containerConfigurator) {
$services = $containerConfigurator->services();

$services->set(NewsletterManager::class)
->constructor('create');
};

.. versionadded:: 6.3

The ``constructor`` option was introduced in Symfony 6.3.

Non-Static Factories
--------------------

Expand Down