HighSpeaker/vendor/workerman/validation/library/Rules/Even.php

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2022-12-24 22:10:40 +08:00
<?php
/*
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* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
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*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function filter_var;
use const FILTER_VALIDATE_INT;
/**
* Validates whether the input is an even number or not.
*
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Jean Pimentel <jeanfap@gmail.com>
* @author Paul Karikari <paulkarikari1@gmail.com>
*/
final class Even extends AbstractRule
{
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if (filter_var($input, FILTER_VALIDATE_INT) === false) {
return false;
}
return (int) $input % 2 === 0;
}
}