respect-validation/library/Rules/Slug.php
Henrique Moody 6040ddee42
Fix the case of the "@inheritDoc" tag
According to the official documentation [1] the correct way of writing
the "inheritDoc" tag is with the uppercase "D".

[1]: https://docs.phpdoc.org/guides/inheritance.html

Signed-off-by: Henrique Moody <henriquemoody@gmail.com>
2019-04-05 19:02:12 +02:00

46 lines
1 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.md"
* file that was distributed with this source code.
*/
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;
}
}