HighSpeaker/vendor/workerman/validation/library/Rules/Nullable.php
2022-12-24 22:10:40 +08:00

59 lines
1.0 KiB
PHP

<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
*
* For the full copyright and license information, please view the LICENSE file
* that was distributed with this source code.
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
/**
* Validates the given input with a defined rule when input is not NULL.
*
* @author Jens Segers <segers.jens@gmail.com>
*/
final class Nullable extends AbstractWrapper
{
/**
* {@inheritDoc}
*/
public function assert($input): void
{
if ($input === null) {
return;
}
parent::assert($input);
}
/**
* {@inheritDoc}
*/
public function check($input): void
{
if ($input === null) {
return;
}
parent::check($input);
}
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if ($input === null) {
return true;
}
return parent::validate($input);
}
}