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- <?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 RFC 4122 variant field to the 16-bit clock sequence
- *
- * @link http://tools.ietf.org/html/rfc4122#section-4.1.1 RFC 4122, § 4.1.1: Variant
- *
- * @param int $clockSeq The 16-bit clock sequence value before the RFC 4122
- * variant is applied
- *
- * @return int The 16-bit clock sequence multiplexed with the UUID variant
- *
- * @psalm-pure
- */
- public static function applyVariant(int $clockSeq): int
- {
- $clockSeq = $clockSeq & 0x3fff;
- $clockSeq |= 0x8000;
-
- return $clockSeq;
- }
-
- /**
- * Applies the RFC 4122 version number to the 16-bit `time_hi_and_version` field
- *
- * @link http://tools.ietf.org/html/rfc4122#section-4.1.3 RFC 4122, § 4.1.3: Version
- *
- * @param int $timeHi The value of the 16-bit `time_hi_and_version` field
- * before the RFC 4122 version is applied
- * @param int $version The RFC 4122 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
- *
- * @psalm-pure
- */
- public static function applyVersion(int $timeHi, int $version): int
- {
- $timeHi = $timeHi & 0x0fff;
- $timeHi |= $version << 12;
-
- return $timeHi;
- }
- }