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[Config] [Configuration] Add enum case as service parameter example #17910

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Feb 17, 2023
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[Config] [Configuration] Add enum case as service parameter example #17910

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14 changes: 14 additions & 0 deletions configuration.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -189,6 +189,9 @@ reusable configuration value. By convention, parameters are defined under the
app.some_constant: !php/const GLOBAL_CONSTANT
app.another_constant: !php/const App\Entity\BlogPost::MAX_ITEMS

# Enum case as parameter values
app.some_enum: !php/enum App\Enum\PostState::Published

# ...

.. code-block:: xml
Expand Down Expand Up @@ -226,6 +229,9 @@ reusable configuration value. By convention, parameters are defined under the
<!-- PHP constants as parameter values -->
<parameter key="app.some_constant" type="constant">GLOBAL_CONSTANT</parameter>
<parameter key="app.another_constant" type="constant">App\Entity\BlogPost::MAX_ITEMS</parameter>

<!-- Enum case as parameter values -->
<parameter key="app.some_enum" type="enum">App\Enum\PostState::Published</parameter>
</parameters>

<!-- ... -->
Expand All @@ -237,6 +243,7 @@ reusable configuration value. By convention, parameters are defined under the
namespace Symfony\Component\DependencyInjection\Loader\Configurator;

use App\Entity\BlogPost;
use App\Enum\PostState;

return static function (ContainerConfigurator $containerConfigurator) {
$containerConfigurator->parameters()
Expand All @@ -256,6 +263,9 @@ reusable configuration value. By convention, parameters are defined under the
// PHP constants as parameter values
->set('app.some_constant', GLOBAL_CONSTANT)
->set('app.another_constant', BlogPost::MAX_ITEMS);

// Enum case as parameter values
->set('app.some_enum', PostState::Published);
};

// ...
Expand All @@ -272,6 +282,10 @@ reusable configuration value. By convention, parameters are defined under the
[email protected]
</parameter>

.. versionadded:: 6.2

Passing an enum case as a service parameter was introduced in Symfony 6.2.

Once defined, you can reference this parameter value from any other
configuration file using a special syntax: wrap the parameter name in two ``%``
(e.g. ``%app.admin_email%``):
Expand Down