name : VersionTrait.php <?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\Rfc4122; use Ramsey\Uuid\Uuid; /** * Provides common functionality for handling the version, as defined by RFC 4122 * * @psalm-immutable */ trait VersionTrait { /** * Returns the version */ abstract public function getVersion(): ?int; /** * Returns true if these fields represent a max UUID */ abstract public function isMax(): bool; /** * Returns true if these fields represent a nil UUID */ abstract public function isNil(): bool; /** * Returns true if the version matches one of those defined by RFC 4122 * * @return bool True if the UUID version is valid, false otherwise */ private function isCorrectVersion(): bool { if ($this->isNil() || $this->isMax()) { return true; } return match ($this->getVersion()) { Uuid::UUID_TYPE_TIME, Uuid::UUID_TYPE_DCE_SECURITY, Uuid::UUID_TYPE_HASH_MD5, Uuid::UUID_TYPE_RANDOM, Uuid::UUID_TYPE_HASH_SHA1, Uuid::UUID_TYPE_REORDERED_TIME, Uuid::UUID_TYPE_UNIX_TIME, Uuid::UUID_TYPE_CUSTOM => true, default => false, }; } }