33 lines
662 B
PHP
33 lines
662 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 filter_var;
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use const FILTER_NULL_ON_FAILURE;
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use const FILTER_VALIDATE_BOOLEAN;
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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($input): bool
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{
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return filter_var($input, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE) === false;
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}
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}
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