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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\Guid;
use Ramsey\Uuid\Codec\CodecInterface; use Ramsey\Uuid\Converter\NumberConverterInterface; use Ramsey\Uuid\Converter\TimeConverterInterface; use Ramsey\Uuid\Uuid;
/** * Guid represents a UUID with "native" (little-endian) byte order * * From Wikipedia: * * > The first three fields are unsigned 32- and 16-bit integers and are subject to swapping, while the last two fields * > consist of uninterpreted bytes, not subject to swapping. This byte swapping applies even for versions 3, 4, and 5, * > where the canonical fields do not correspond to the content of the UUID. * * The first three fields of a GUID are encoded in little-endian byte order, while the last three fields are in network * (big-endian) byte order. This is according to the history of the Microsoft GUID definition. * * According to the .NET Guid.ToByteArray method documentation: * * > Note that the order of bytes in the returned byte array is different from the string representation of a Guid value. * > The order of the beginning four-byte group and the next two two-byte groups is reversed, whereas the order of the * > last two-byte group and the closing six-byte group is the same. * * @link https://en.wikipedia.org/wiki/Universally_unique_identifier#Variants UUID Variants on Wikipedia * @link https://docs.microsoft.com/en-us/windows/win32/api/guiddef/ns-guiddef-guid Windows GUID structure * @link https://docs.microsoft.com/en-us/dotnet/api/system.guid .NET Guid Struct * @link https://docs.microsoft.com/en-us/dotnet/api/system.guid.tobytearray .NET Guid.ToByteArray Method * * @immutable */ final class Guid extends Uuid { public function __construct( Fields $fields, NumberConverterInterface $numberConverter, CodecInterface $codec, TimeConverterInterface $timeConverter, ) { parent::__construct($fields, $numberConverter, $codec, $timeConverter); } }
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