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<?php
namespace App\Form;
use Symfony\Component\Form\AbstractTypeExtension;
use Symfony\Component\Form\Extension\Core\Type\HiddenType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
class HiddenEntityExtension extends AbstractTypeExtension
{
public static function getExtendedTypes()
{
return [HiddenType::class];
}
/**
* Add the entity_class option.
*
* @param OptionsResolver $resolver
*/
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefined(['em']);
$resolver->setDefined(['entity_class']);
}
public function buildForm(FormBuilderInterface $builder, array $options)
{
if (isset($options['em']) && isset($options['entity_class'])) {
$builder->addModelTransformer(new EntityToIdTransformer(
$options['em'],
$options['entity_class']
));
}
}
}