class IsNullConstraint

Null constraint.

Overrides the symfony constraint to handle empty Typed Data structures.

Plugin annotation


@Constraint(
  id = "Null",
  label = @Translation("Null", context = "Validation"),
  type = false
)

Hierarchy

  • class \Drupal\Core\Validation\Plugin\Validation\Constraint\IsNullConstraint extends \Symfony\Component\Validator\Constraints\IsNull

Expanded class hierarchy of IsNullConstraint

File

core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/IsNullConstraint.php, line 18

Namespace

Drupal\Core\Validation\Plugin\Validation\Constraint
View source
class IsNullConstraint extends IsNull {

}

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