42 lines
885 B
PHP
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;
|
|
}
|
|
}
|