HighSpeaker/vendor/workerman/validation/library/Rules/Number.php
2022-12-24 22:10:40 +08:00

40 lines
798 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\Rules;
use function is_nan;
use function is_numeric;
/**
* Validates if the input is a number.
*
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Ismael Elias <ismael.esq@hotmail.com>
* @author Vitaliy <reboot.m@gmail.com>
*/
final class Number extends AbstractRule
{
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if (!is_numeric($input)) {
return false;
}
return !is_nan((float) $input);
}
}