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

54 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;
use function array_diff;
use function is_array;
/**
* Validates whether the input is a subset of a given value.
*
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Singwai Chan <singwai.chan@live.com>
*/
final class Subset extends AbstractRule
{
/**
* @var mixed[]
*/
private $superset;
/**
* Initializes the rule.
*
* @param mixed[] $superset
*/
public function __construct(array $superset)
{
$this->superset = $superset;
}
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if (!is_array($input)) {
return false;
}
return array_diff($input, $this->superset) === [];
}
}