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[DependencyInjection] add explanation for attribute option in factories.rst #21108

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[DependencyInjection] add explanation for attribute option in factories.rst #21108

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78 changes: 78 additions & 0 deletions service_container/factories.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,19 @@ create its object:

.. configuration-block::

.. code-block:: php-attributes

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

use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;

// the first argument is the class and the second argument is the static method
#[Autoconfigure(factory: ['App\Email\NewsletterManagerStaticFactory', 'createNewsletterManager'])]
class NewsletterManager
{
}

.. code-block:: yaml

# config/services.yaml
Expand Down Expand Up @@ -121,6 +134,18 @@ You can omit the class on the factory declaration:

.. configuration-block::

.. code-block:: php-attributes

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

use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;

#[Autoconfigure(bind: ['$sender' => '[email protected]'], factory: [null, 'createNewsletterManager'])]
class NewsletterManager
{
}

.. code-block:: yaml

# config/services.yaml
Expand Down Expand Up @@ -239,6 +264,21 @@ Configuration of the service container then looks like this:

.. configuration-block::

.. code-block:: php-attributes

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

use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;

// it's necessary to create a service for the factory
// use the factory service as the first argument of the 'factory'
// option and the factory method as the second argument
#[Autoconfigure(factory: ['@App\Email\NewsletterManagerFactory', 'createNewsletterManager'])]
class NewsletterManager
{
}

.. code-block:: yaml

# config/services.yaml
Expand Down Expand Up @@ -325,6 +365,18 @@ method name:

.. configuration-block::

.. code-block:: php-attributes

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

use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;

#[Autoconfigure(factory: '@App\Email\InvokableNewsletterManagerFactory')]
class NewsletterManager
{
}

.. code-block:: yaml

# config/services.yaml
Expand Down Expand Up @@ -378,6 +430,20 @@ e.g. change the service based on a parameter:

.. configuration-block::

.. code-block:: php-attributes

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

use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;

// use the "tracable_newsletter" service when debug is enabled, "newsletter" otherwise.
// "@=" indicates that this is an expression
#[Autoconfigure(factory: '@=parameter("kernel.debug") ? service("tracable_newsletter") : service("newsletter")')]
interface NewsletterManagerInterface
{
}

.. code-block:: yaml

# config/services.yaml
Expand Down Expand Up @@ -457,6 +523,18 @@ previous examples takes the ``templating`` service as an argument:

.. configuration-block::

.. code-block:: php-attributes

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

use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;

#[Autoconfigure(bind: ['$template', '@templating'], factory: ['@App\Email\NewsletterManagerFactory', 'createNewsletterManager'])]
class NewsletterManager
{
}

.. code-block:: yaml

# config/services.yaml
Expand Down