spqr/vendor/workerman/validation/library/Rules/StringVal.php

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2024-11-05 12:10:06 +08:00
<?php
/*
* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function is_object;
use function is_scalar;
use function method_exists;
/**
* Validates whether the input can be used as a string.
*
* @author Danilo Correa <danilosilva87@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
*/
final class StringVal extends AbstractRule
{
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
return is_scalar($input) || (is_object($input) && method_exists($input, '__toString'));
}
}