Convert to native enums in PHP 8.1

src/Enums/HTTPMethod.php

@@ -4,35 +4,13 @@
 
 namespace Firehed\API\Enums;
 
-use Firehed\Common\Enum;
+use function class_alias;
+use function version_compare;
 
-/**
- * Direct use of this class (via these static methods) is deprecated. Instead,
- * implementations should rely on the Request traits.
- *
- * This will be converted to a native Enum in PHP 8.1.
- *
- * @method static HTTPMethod DELETE()
- * @method static HTTPMethod GET()
- * @method static HTTPMethod OPTIONS()
- * @method static HTTPMethod PATCH()
- * @method static HTTPMethod POST()
- * @method static HTTPMethod PUT()
- */
-class HTTPMethod extends Enum
-{
+use const PHP_VERSION;
 
-    // Other methods exist, but these are the only relevant ones for RESTful
-    // APIs
-    const GET = 'GET';
-    const PATCH = 'PATCH';
-    const POST = 'POST';
-    const PUT = 'PUT';
-    const DELETE = 'DELETE';
-    const OPTIONS = 'OPTIONS';
-
-    public function __toString()
-    {
-        return $this->getValue();
-    }
+if (version_compare(PHP_VERSION, '8.1.0') >= 0) {
+    class_alias(HTTPMethodGTE81::class, HTTPMethod::class);
+} else {
+    class_alias(HTTPMethodLTE80::class, HTTPMethod::class);
 }

src/Enums/HTTPMethodGTE81.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Firehed\API\Enums;
+
+enum HTTPMethodGTE81: string
+{
+    case GET = 'GET';
+    case PATCH = 'PATCH';
+    case POST = 'POST';
+    case PUT = 'PUT';
+    case DELETE = 'DELETE';
+    case OPTIONS = 'OPTIONS';
+}

src/Enums/HTTPMethodLTE80.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Firehed\API\Enums;
+
+use Firehed\Common\Enum;
+
+/**
+ * Direct use of this class (via these static methods) is deprecated. Instead,
+ * implementations should rely on the Request traits.
+ *
+ * This will be converted to a native Enum in PHP 8.1.
+ *
+ * @method static HTTPMethod DELETE()
+ * @method static HTTPMethod GET()
+ * @method static HTTPMethod OPTIONS()
+ * @method static HTTPMethod PATCH()
+ * @method static HTTPMethod POST()
+ * @method static HTTPMethod PUT()
+ */
+class HTTPMethodLTE80 extends Enum
+{
+
+    // Other methods exist, but these are the only relevant ones for RESTful
+    // APIs
+    const GET = 'GET';
+    const PATCH = 'PATCH';
+    const POST = 'POST';
+    const PUT = 'PUT';
+    const DELETE = 'DELETE';
+    const OPTIONS = 'OPTIONS';
+
+    public function __toString()
+    {
+        return $this->getValue();
+    }
+}