54 lines
1.0 KiB
PHP
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) === [];
|
|
}
|
|
}
|