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Argument value resolver #7732

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Argument value resolver #7732

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c40e51a
added tip about ParamCoverter
motivatedsloth Mar 31, 2017
40a617b
added missing use statements in example
motivatedsloth Mar 31, 2017
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12 changes: 12 additions & 0 deletions controller/argument_value_resolver.rst
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Expand Up @@ -15,6 +15,16 @@ in order to be recognized. This is done via the
creating and registering custom argument value resolvers, you can extend this
functionality.

.. tip::

A custom ``ParamConverter`` can also create the object for a type-hinted class.
This functionality is similar to an ``ArgumentResolver``. However
``ParamConverter`` are executed first and usually use request parameters to
create the object.

See :ref:`ParamConverter <https://symfony.com/doc/current/bundles/SensioFrameworkExtraBundle/annotations/converters.html#creating-a-converter>`
for more information.

Functionality Shipped with the HttpKernel
-----------------------------------------

Expand Down Expand Up @@ -87,7 +97,9 @@ retrieved from the token storage::
namespace AppBundle\ArgumentResolver;

use AppBundle\Entity\User;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;

class UserValueResolver implements ArgumentValueResolverInterface
Expand Down