Serialize Enum variants with the variant name (#1860)

Author: blackwolf12333

src/Serializer/AbstractSerializer.php

@@ -241,6 +241,12 @@ protected function serializeValue($value)
             return $value;
         }
 
+        if ($value instanceof \UnitEnum) {
+            $reflection = new \ReflectionObject($value);
+
+            return 'Enum ' . $reflection->getName() . '::' . $value->name;
+        }
+
         if (\is_object($value)) {
             $reflection = new \ReflectionObject($value);
 

tests/Serializer/AbstractSerializerTest.php

@@ -54,6 +54,18 @@ public function testObjectsAreStrings(): void
         $this->assertSame('Object Sentry\Tests\Serializer\SerializerTestObject', $result);
     }
 
+    /**
+     * @requires PHP >= 8.1
+     */
+    public function testEnumsAreNames(): void
+    {
+        $serializer = $this->createSerializer();
+        $input = SerializerTestEnum::CASE_NAME;
+        $result = $this->invokeSerialization($serializer, $input);
+
+        $this->assertSame('Enum Sentry\Tests\Serializer\SerializerTestEnum::CASE_NAME', $result);
+    }
+
     public static function objectsWithIdPropertyDataProvider(): array
     {
         return [

tests/Serializer/SerializerTestEnum.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sentry\Tests\Serializer;
+
+enum SerializerTestEnum
+{
+    case CASE_NAME;
+}