51 lines
1.2 KiB
PHP
51 lines
1.2 KiB
PHP
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<?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_replace;
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/**
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* Validates is the input is a valid IMEI.
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*
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* @author Alexander Gorshkov <mazanax@yandex.ru>
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* @author Danilo Benevides <danilobenevides01@gmail.com>
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* @author Diego Oliveira <contato@diegoholiveira.com>
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* @author Henrique Moody <henriquemoody@gmail.com>
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*/
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final class Imei extends AbstractRule
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{
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private const IMEI_SIZE = 15;
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/**
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* @see https://en.wikipedia.org/wiki/International_Mobile_Station_Equipment_Identity
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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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$numbers = (string) preg_replace('/\D/', '', (string) $input);
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if (mb_strlen($numbers) != self::IMEI_SIZE) {
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return false;
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}
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return (new Luhn())->validate($numbers);
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}
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}
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