64 lines
1.2 KiB
PHP
64 lines
1.2 KiB
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 file
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* 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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use function is_string;
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use function nl_langinfo;
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use function preg_match;
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use const YESEXPR;
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/**
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* Validates if the input considered as "Yes".
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*
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* @author Cameron Hall <me@chall.id.au>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class Yes extends AbstractRule
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{
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/**
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* @var bool
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*/
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private $useLocale;
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/**
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* Initializes the rule.
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*/
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public function __construct(bool $useLocale = false)
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{
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$this->useLocale = $useLocale;
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}
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if (!is_string($input)) {
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return false;
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}
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return preg_match($this->getPattern(), $input) > 0;
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}
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private function getPattern(): string
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{
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if ($this->useLocale) {
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return '/' . nl_langinfo(YESEXPR) . '/';
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}
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return '/^y(eah?|ep|es)?$/i';
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}
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}
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