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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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/**
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 * This file is part of the ramsey/uuid library
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 *
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 * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
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 * @license http://opensource.org/licenses/MIT MIT
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 */
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declare(strict_types=1);
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namespace Ramsey\Uuid\Rfc4122;
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use Ramsey\Uuid\Uuid;
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/**
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 * Provides common functionality for handling the version, as defined by RFC 4122
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 *
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 * @psalm-immutable
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 */
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trait VersionTrait
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{
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    /**
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     * Returns the version
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     */
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    abstract public function getVersion(): ?int;
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    /**
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     * Returns true if these fields represent a max UUID
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     */
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    abstract public function isMax(): bool;
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    /**
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     * Returns true if these fields represent a nil UUID
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     */
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    abstract public function isNil(): bool;
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    /**
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     * Returns true if the version matches one of those defined by RFC 4122
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     *
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     * @return bool True if the UUID version is valid, false otherwise
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     */
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    private function isCorrectVersion(): bool
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    {
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        if ($this->isNil() || $this->isMax()) {
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            return true;
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        }
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        return match ($this->getVersion()) {
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            Uuid::UUID_TYPE_TIME, Uuid::UUID_TYPE_DCE_SECURITY,
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            Uuid::UUID_TYPE_HASH_MD5, Uuid::UUID_TYPE_RANDOM,
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            Uuid::UUID_TYPE_HASH_SHA1, Uuid::UUID_TYPE_REORDERED_TIME,
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            Uuid::UUID_TYPE_UNIX_TIME, Uuid::UUID_TYPE_CUSTOM => true,
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            default => false,
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        };
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    }
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}