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FallbackNodeProvider.php
(1.31 KB)
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NodeProviderCollection.php
(1.86 KB)
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RandomNodeProvider.php
(1.56 KB)
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StaticNodeProvider.php
(1.75 KB)
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SystemNodeProvider.php
(4.65 KB)
Editing: RandomNodeProvider.php
<?php /** * This file is part of the ramsey/uuid library * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. * * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com> * @license http://opensource.org/licenses/MIT MIT */ declare(strict_types=1); namespace Ramsey\Uuid\Provider\Node; use Ramsey\Uuid\Exception\RandomSourceException; use Ramsey\Uuid\Provider\NodeProviderInterface; use Ramsey\Uuid\Type\Hexadecimal; use Throwable; use function bin2hex; use function dechex; use function hex2bin; use function hexdec; use function str_pad; use function substr; use const STR_PAD_LEFT; /** * RandomNodeProvider generates a random node ID * * @link https://www.rfc-editor.org/rfc/rfc9562#section-6.10 RFC 9562, 6.10. UUIDs That Do Not Identify the Host */ class RandomNodeProvider implements NodeProviderInterface { public function getNode(): Hexadecimal { try { $nodeBytes = random_bytes(6); } catch (Throwable $exception) { throw new RandomSourceException($exception->getMessage(), (int) $exception->getCode(), $exception); } // Split the node bytes for math on 32-bit systems. $nodeMsb = substr($nodeBytes, 0, 3); $nodeLsb = substr($nodeBytes, 3); // Set the multicast bit; see RFC 9562, section 6.10. $nodeMsb = hex2bin(str_pad(dechex(hexdec(bin2hex($nodeMsb)) | 0x010000), 6, '0', STR_PAD_LEFT)); return new Hexadecimal(str_pad(bin2hex($nodeMsb . $nodeLsb), 12, '0', STR_PAD_LEFT)); } }
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