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41 lines
1,007 B
PHP
41 lines
1,007 B
PHP
<?php
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/*
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* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
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* SPDX-License-Identifier: MIT
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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use function is_string;
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use function mb_strstr;
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use function preg_match;
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/**
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* Validates whether the input is a valid slug.
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*
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* @author Carlos André Ferrari <caferrari@gmail.com>
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* @author Danilo Correa <danilosilva87@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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final class Slug extends AbstractRule
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{
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/**
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* @deprecated Calling `validate()` directly from rules is deprecated. Please use {@see \Respect\Validation\Validator::isValid()} instead.
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*/
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public function validate($input): bool
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{
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if (!is_string($input) || mb_strstr($input, '--')) {
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return false;
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}
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if (!preg_match('@^[0-9a-z\-]+$@', $input)) {
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return false;
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}
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return preg_match('@^-|-$@', $input) === 0;
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}
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}
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