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Use of class notation for data_class option in forms #6775

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Use of class notation for data_class option in forms #6775

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9 changes: 6 additions & 3 deletions book/forms.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -1090,11 +1090,12 @@ the choice is ultimately up to you.
following to your form type class::

use Symfony\Component\OptionsResolver\OptionsResolver;
use AppBundle\Entity\Task;

public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults(array(
'data_class' => 'AppBundle\Entity\Task',
'data_class' => Task::class,
));
}

Expand Down Expand Up @@ -1324,6 +1325,7 @@ create a form class so that a ``Category`` object can be modified by the user::
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use AppBundle\Entity\Category;

class CategoryType extends AbstractType
{
Expand All @@ -1335,7 +1337,7 @@ create a form class so that a ``Category`` object can be modified by the user::
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults(array(
'data_class' => 'AppBundle\Entity\Category',
'data_class' => Category::class,
));
}
}
Expand Down Expand Up @@ -1764,6 +1766,7 @@ that all un-rendered fields are output.
The CSRF token can be customized on a form-by-form basis. For example::

use Symfony\Component\OptionsResolver\OptionsResolver;
use AppBundle\Entity\Task;

class TaskType extends AbstractType
{
Expand All @@ -1772,7 +1775,7 @@ The CSRF token can be customized on a form-by-form basis. For example::
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults(array(
'data_class' => 'AppBundle\Entity\Task',
'data_class' => Task::class,
'csrf_protection' => true,
'csrf_field_name' => '_token',
// a unique key to help generate the secret token
Expand Down