LaysenseAuth/vendor/workerman/validation/library/Rules/Slug.php
2024-08-09 22:16:39 +08:00

42 lines
885 B
PHP

<?php
/*
* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function is_string;
use function mb_strstr;
use function preg_match;
/**
* Validates whether the input is a valid slug.
*
* @author Carlos André Ferrari <caferrari@gmail.com>
* @author Danilo Correa <danilosilva87@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Nick Lombard <github@jigsoft.co.za>
*/
final class Slug extends AbstractRule
{
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if (!is_string($input) || mb_strstr($input, '--')) {
return false;
}
if (!preg_match('@^[0-9a-z\-]+$@', $input)) {
return false;
}
return preg_match('@^-|-$@', $input) === 0;
}
}