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33 lines
695 B
PHP
33 lines
695 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\Helpers;
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/**
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* Helper to identify values that Validation consider as "undefined".
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*
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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trait CanValidateUndefined
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{
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/**
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* Finds whether the value is undefined or not.
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*
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* @param mixed $value
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*/
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private function isUndefined($value): bool
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{
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return in_array($value, [null, ''], true);
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}
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}
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