From 69f54957a87ff6b4102ce29a4b2929eb4469397c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20DECOOL?= <contact@jdecool.fr>
Date: Mon, 17 Oct 2022 07:42:44 +0200
Subject: [PATCH] Fix false positive on non enum classes

---
 src/Rule/NoDuplicateEnumValueRule.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Rule/NoDuplicateEnumValueRule.php b/src/Rule/NoDuplicateEnumValueRule.php
index bc8049a..80cab59 100644
--- a/src/Rule/NoDuplicateEnumValueRule.php
+++ b/src/Rule/NoDuplicateEnumValueRule.php
@@ -4,6 +4,7 @@
 
 namespace Timeweb\PHPStan\Rule;
 
+use MyCLabs\Enum\Enum;
 use PhpParser\Node;
 use PhpParser\Node\Stmt\Class_;
 use PHPStan\Analyser\Scope;
@@ -32,6 +33,10 @@ public function processNode(Node $node, Scope $scope): array
             throw new ShouldNotHappenException();
         }
 
+        if (!$classReflection->isSubclassOf(Enum::class)) {
+            return [];
+        }
+
         $duplicatedKeysValue = $this->findDuplicatedKeys($node);
         if (empty($duplicatedKeysValue)) {
             return [];