first commit

pma/vendor/ramsey/uuid/src/Rfc4122/VersionTrait.php

@@ -0,0 +1,57 @@
+<?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;
+
+/**
+ * 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 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 ($this->isNil()) {
+            return true;
+        }
+
+        switch ($this->getVersion()) {
+            case 1:
+            case 2:
+            case 3:
+            case 4:
+            case 5:
+            case 6:
+                return true;
+        }
+
+        return false;
+    }
+}