zlibproxy/vendor/workerman/validation/library/Helpers/CanValidateUndefined.php
2023-01-02 19:56:44 +08:00

35 lines
714 B
PHP

<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
*
* For the full copyright and license information, please view the LICENSE file
* that was distributed with this source code.
*/
declare(strict_types=1);
namespace Respect\Validation\Helpers;
use function in_array;
/**
* Helper to identify values that Validation consider as "undefined".
*
* @author Henrique Moody <henriquemoody@gmail.com>
*/
trait CanValidateUndefined
{
/**
* Finds whether the value is undefined or not.
*
* @param mixed $value
*/
private function isUndefined($value): bool
{
return in_array($value, [null, ''], true);
}
}