function IsNullConstraintValidator::validate

File

core/lib/Drupal/Core/Validation/Plugin/Validation/Constraint/IsNullConstraintValidator.php, line 23

Class

IsNullConstraintValidator

Null constraint validator.

Namespace

Code

public function validate($value, Constraint $constraint) : void {
    $typed_data = $this->getTypedData();
    if (($typed_data instanceof ListInterface || $typed_data instanceof ComplexDataInterface) && $typed_data->isEmpty()) {
        $value = NULL;
    }
    parent::validate($value, $constraint);
}