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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 DateTimeInterface;
use Ramsey\Uuid\Type\Hexadecimal;
use Ramsey\Uuid\Type\Integer as IntegerObject;
/**
* Returns a version 1 (Gregorian time) 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 | null $clockSeq A 14-bit number used to help avoid duplicates that could arise when the clock is set
* backwards in time or if the node ID changes
*
* @return non-empty-string Version 1 UUID as a string
*/
function v1($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 a 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 non-empty-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 UuidInterface | string $ns The namespace (must be a valid UUID)
*
* @return non-empty-string Version 3 UUID as a string
*
* @pure
*/
function v3($ns, string $name): string
{
return Uuid::uuid3($ns, $name)->toString();
}
/**
* Returns a version 4 (random) UUID
*
* @return non-empty-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 UuidInterface | string $ns The namespace (must be a valid UUID)
*
* @return non-empty-string Version 5 UUID as a string
*
* @pure
*/
function v5($ns, string $name): string
{
return Uuid::uuid5($ns, $name)->toString();
}
/**
* Returns a version 6 (reordered Gregorian 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 | 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 non-empty-string Version 6 UUID as a string
*/
function v6(?Hexadecimal $node = null, ?int $clockSeq = null): string
{
return Uuid::uuid6($node, $clockSeq)->toString();
}
/**
* Returns a version 7 (Unix Epoch time) UUID
*
* @param DateTimeInterface|null $dateTime An optional date/time from which to create the version 7 UUID. If not
* provided, the UUID is generated using the current date/time.
*
* @return non-empty-string Version 7 UUID as a string
*/
function v7(?DateTimeInterface $dateTime = null): string
{
return Uuid::uuid7($dateTime)->toString();
}
/**
* Returns a version 8 (custom format) UUID
*
* The bytes provided may contain any value according to your application's needs. Be aware, however, that other
* applications may not understand the semantics of the value.
*
* @param string $bytes A 16-byte octet string. This is an open blob of data that you may fill with 128 bits of
* information. Be aware, however, bits 48 through 51 will be replaced with the UUID version field, and bits 64 and
* 65 will be replaced with the UUID variant. You MUST NOT rely on these bits for your application needs.
*
* @return non-empty-string Version 8 UUID as a string
*
* @pure
*/
function v8(string $bytes): string
{
return Uuid::uuid8($bytes)->toString();
}
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