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35 lines
806 B
PHP
35 lines
806 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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use const FILTER_NULL_ON_FAILURE;
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use const FILTER_VALIDATE_BOOLEAN;
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use function filter_var;
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/**
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* Validates if a value is considered as false.
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*
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* @author Danilo Correa <danilosilva87@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class FalseVal 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($input): bool
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{
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return false === filter_var($input, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
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}
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}
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