HighSpeaker/vendor/workerman/validation/library/Rules/Pis.php
2024-01-31 22:15:08 +08:00

54 lines
1.2 KiB
PHP

<?php
/*
* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function is_scalar;
use function mb_strlen;
use function preg_match;
use function preg_replace;
/**
* Validates a Brazilian PIS/NIS number.
*
* @author Bruno Koga <brunokoga187@gmail.com>
* @author Danilo Correa <danilosilva87@gmail.com>
* @author Henrique Moody <henriquemoody@gmail.com>
*/
final class Pis extends AbstractRule
{
/**
* {@inheritDoc}
*/
public function validate($input): bool
{
if (!is_scalar($input)) {
return false;
}
$digits = (string) preg_replace('/\D/', '', (string) $input);
if (mb_strlen($digits) != 11 || preg_match('/^' . $digits[0] . '{11}$/', $digits)) {
return false;
}
$multipliers = [3, 2, 9, 8, 7, 6, 5, 4, 3, 2];
$summation = 0;
for ($position = 0; $position < 10; ++$position) {
$summation += (int) $digits[$position] * $multipliers[$position];
}
$checkDigit = (int) $digits[10];
$modulo = $summation % 11;
return $checkDigit === ($modulo < 2 ? 0 : 11 - $modulo);
}
}