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[Form] Add example for createNamed Form #11272

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18 changes: 17 additions & 1 deletion forms.rst
Original file line number Diff line number Diff line change
Expand Up @@ -676,7 +676,23 @@ choice is ultimately up to you.
.. note::

The form name is automatically generated from the type class name. If you want
to modify it, use the :method:`Symfony\\Component\\Form\\FormFactoryInterface::createNamed` method.
to modify it, use the :method:`Symfony\\Component\\Form\\FormFactoryInterface::createNamed` method::

// src/AppBundle/Controller/DefaultController.php
use AppBundle\Form\TaskType;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;

class DefaultController extends AbstractController
{
public function newAction()
{
$task = ...;
$form = $this->get('form.factory')->createNamed('name', TaskType::class, $task);

// ...
}
}

You can even suppress the name completely by setting it to an empty string.

Final Thoughts
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