name : BlankValidator.php <?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\Validator\Constraints; use Symfony\Component\Validator\Constraint; use Symfony\Component\Validator\ConstraintValidator; /** * @author Bernhard Schussek <bschussek@gmail.com> * * @api */ class BlankValidator extends ConstraintValidator { /** * {@inheritDoc} */ public function validate($value, Constraint $constraint) { if ('' !== $value && null !== $value) { $this->context->addViolation($constraint->message, array('{{ value }}' => $value)); } } }