aleph1.co.uk Git - yaffs-website/blob - web/core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/IsNullConstraint.php

   1 <?php
   2
   3 namespace Drupal\Core\Validation\Plugin\Validation\Constraint;
   4
   5 use Symfony\Component\Validator\Constraints\IsNull;
   6
   7 /**
   8  * Null constraint.
   9  *
  10  * Overrides the symfony constraint to handle empty Typed Data structures.
  11  *
  12  * @Constraint(
  13  *   id = "Null",
  14  *   label = @Translation("Null", context = "Validation"),
  15  *   type = false
  16  * )
  17  */
  18 class IsNullConstraint extends IsNull {}