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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 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 string|UuidInterface $ns The namespace (must be a valid UUID) * * @return non-empty-string Version 3 UUID as a string * * @psalm-pure note: changing the internal factory is an edge case not covered by purity invariants, * but under constant factory setups, this method operates in functionally pure manners */ function v3($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 string|UuidInterface $ns The namespace (must be a valid UUID) * * @return non-empty-string Version 5 UUID as a string * * @psalm-pure note: changing the internal factory is an edge case not covered by purity invariants, * but under constant factory setups, this method operates in functionally pure manners */ function v5($ns, string $name): string { return Uuid::uuid5($ns, $name)->toString(); } /** * Returns a version 6 (reordered 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) 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 */ function v8(string $bytes): string { return Uuid::uuid8($bytes)->toString(); }