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642602fd43
Some amazing features had to be ignored because it conflicts with out coring standards. I hope to soon fix them so we can use PHPStan to its fullest potential. Signed-off-by: Henrique Moody <henriquemoody@gmail.com>
58 lines
1.4 KiB
PHP
58 lines
1.4 KiB
PHP
<?php
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/*
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* This file is part of Respect/Validation.
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*
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* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the LICENSE file
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* that was distributed with this source code.
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*/
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declare(strict_types=1);
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namespace Respect\Validation\Rules;
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use function is_scalar;
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use function mb_strlen;
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use function preg_match;
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use function preg_replace;
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/**
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* Validates a Brazilian PIS/NIS number.
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*
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* @author Bruno Koga <brunokoga187@gmail.com>
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* @author Danilo Correa <danilosilva87@gmail.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class Pis extends AbstractRule
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{
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/**
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* {@inheritDoc}
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*/
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public function validate($input): bool
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{
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if (!is_scalar($input)) {
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return false;
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}
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$digits = (string) preg_replace('/\D/', '', (string) $input);
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if (mb_strlen($digits) != 11 || preg_match('/^' . $digits[0] . '{11}$/', $digits)) {
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return false;
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}
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$multipliers = [3, 2, 9, 8, 7, 6, 5, 4, 3, 2];
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$summation = 0;
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for ($position = 0; $position < 10; ++$position) {
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$summation += (int) $digits[$position] * $multipliers[$position];
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}
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$checkDigit = (int) $digits[10];
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$modulo = $summation % 11;
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return $checkDigit === ($modulo < 2 ? 0 : 11 - $modulo);
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}
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}
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