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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
class TextType extends AbstractType implements DataTransformerInterface
{
public function buildForm(FormBuilderInterface $builder, array $options)
{
// When empty_data is explicitly set to an empty string,
// a string should always be returned when NULL is submitted
// This gives more control and thus helps preventing some issues
// with PHP 7 which allows type hinting strings in functions
// See https://github.com/symfony/symfony/issues/5906#issuecomment-203189375
if ('' === $options['empty_data']) {
$builder->addViewTransformer($this);
}
}
/**
* {@inheritdoc}
*/
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults([
'compound' => false,
]);
}
/**
* {@inheritdoc}
*/
public function getBlockPrefix()
{
return 'text';
}
/**
* {@inheritdoc}
*/
public function transform($data)
{
// Model data should not be transformed
return $data;
}
/**
* {@inheritdoc}
*/
public function reverseTransform($data)
{
return null === $data ? '' : $data;
}
}
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