31 lines
574 B
PHP
31 lines
574 B
PHP
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<?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\Helpers;
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use function in_array;
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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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