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42 lines
877 B
PHP
42 lines
877 B
PHP
<?php
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/*
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* This file is part of Respect/Validation.
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*
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* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the "LICENSE.md"
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* file that was distributed with this source code.
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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/**
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* @author Carlos André Ferrari <caferrari@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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* @author Nick Lombard <github@jigsoft.co.za>
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*/
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class Slug extends AbstractRule
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{
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/**
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* {@inheritdoc}
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*/
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public function validate($input): bool
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{
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if (mb_strstr($input, '--')) {
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return false;
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}
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if (!preg_match('@^[0-9a-z\-]+$@', $input)) {
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return false;
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}
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if (preg_match('@^-|-$@', $input)) {
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return false;
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}
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return true;
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}
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}
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