36 lines
852 B
PHP
36 lines
852 B
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.md"
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* file that was distributed with this source code.
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*/
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namespace Respect\Validation\Rules;
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class Pesel extends AbstractRule
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{
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public function validate($input)
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{
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if (!preg_match('/^\d{11}$/', $input)) {
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return false;
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}
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$weights = [1, 3, 7, 9, 1, 3, 7, 9, 1, 3];
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$targetControlNumber = $input[10];
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$calculateControlNumber = 0;
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for ($i = 0; $i < 10; $i++) {
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$calculateControlNumber += $input[$i] * $weights[$i];
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}
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$calculateControlNumber = (10 - $calculateControlNumber % 10) % 10;
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return $targetControlNumber == $calculateControlNumber;
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}
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}
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