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편집 파일: BinaryUtils.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; /** * Provides binary math utilities */ class BinaryUtils { /** * Applies the variant field to the 16-bit clock sequence * * @link https://www.rfc-editor.org/rfc/rfc9562#section-4.1 RFC 9562, 4.1. Variant Field * * @param int $clockSeq The 16-bit clock sequence value before the variant is applied * * @return int The 16-bit clock sequence multiplexed with the UUID variant * * @pure */ public static function applyVariant(int $clockSeq): int { return ($clockSeq & 0x3fff) | 0x8000; } /** * Applies the version field to the 16-bit `time_hi_and_version` field * * @link https://www.rfc-editor.org/rfc/rfc9562#section-4.2 RFC 9562, 4.2. Version Field * * @param int $timeHi The value of the 16-bit `time_hi_and_version` field before the version is applied * @param int $version The version to apply to the `time_hi` field * * @return int The 16-bit time_hi field of the timestamp multiplexed with the UUID version number * * @pure */ public static function applyVersion(int $timeHi, int $version): int { return ($timeHi & 0x0fff) | ($version << 12); } }