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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
* phpcs:disable Squiz.Functions.GlobalFunction
*/
declare(strict_types=1);
namespace Ramsey\Uuid;
use Ramsey\Uuid\Type\Hexadecimal;
use Ramsey\Uuid\Type\Integer as IntegerObject;
/**
* Returns a version 1 (time-based) UUID from a host ID, sequence number,
* and the current time
*
* @param Hexadecimal|int|string|null $node A 48-bit number representing the
* hardware address; this number may be represented as an integer or a
* hexadecimal string
* @param int $clockSeq A 14-bit number used to help avoid duplicates that
* could arise when the clock is set backwards in time or if the node ID
* changes
*
* @return string Version 1 UUID as a string
*/
function v1($node = null, ?int $clockSeq = null): string
{
return Uuid::uuid1($node, $clockSeq)->toString();
}
/**
* Returns a version 2 (DCE Security) UUID from a local domain, local
* identifier, host ID, clock sequence, and the current time
*
* @param int $localDomain The local domain to use when generating bytes,
* according to DCE Security
* @param IntegerObject|null $localIdentifier The local identifier for the
* given domain; this may be a UID or GID on POSIX systems, if the local
* domain is person or group, or it may be a site-defined identifier
* if the local domain is org
* @param Hexadecimal|null $node A 48-bit number representing the hardware
* address
* @param int|null $clockSeq A 14-bit number used to help avoid duplicates
* that could arise when the clock is set backwards in time or if the
* node ID changes
*
* @return string Version 2 UUID as a string
*/
function v2(
int $localDomain,
?IntegerObject $localIdentifier = null,
?Hexadecimal $node = null,
?int $clockSeq = null
): string {
return Uuid::uuid2($localDomain, $localIdentifier, $node, $clockSeq)->toString();
}
/**
* Returns a version 3 (name-based) UUID based on the MD5 hash of a
* namespace ID and a name
*
* @param string|UuidInterface $ns The namespace (must be a valid UUID)
*
* @return string Version 3 UUID as a string
*/
function v3($ns, string $name): string
{
return Uuid::uuid3($ns, $name)->toString();
}
/**
* Returns a version 4 (random) UUID
*
* @return string Version 4 UUID as a string
*/
function v4(): string
{
return Uuid::uuid4()->toString();
}
/**
* Returns a version 5 (name-based) UUID based on the SHA-1 hash of a
* namespace ID and a name
*
* @param string|UuidInterface $ns The namespace (must be a valid UUID)
*
* @return string Version 5 UUID as a string
*/
function v5($ns, string $name): string
{
return Uuid::uuid5($ns, $name)->toString();
}
/**
* Returns a version 6 (ordered-time) UUID from a host ID, sequence number,
* and the current time
*
* @param Hexadecimal|null $node A 48-bit number representing the hardware
* address
* @param int $clockSeq A 14-bit number used to help avoid duplicates that
* could arise when the clock is set backwards in time or if the node ID
* changes
*
* @return string Version 6 UUID as a string
*/
function v6(?Hexadecimal $node = null, ?int $clockSeq = null): string
{
return Uuid::uuid6($node, $clockSeq)->toString();
}