fix php8.4 deprecated

myclabs · Jan 13, 2025 · a1c7bcf · a1c7bcf
1 parent ae3fb27
commit a1c7bcf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/PHPUnit/Comparator.php b/src/PHPUnit/Comparator.php
@@ -43,7 +43,7 @@ public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = f
         );
     }
 
-    private function formatEnum(Enum $enum = null)
+    private function formatEnum(?Enum $enum = null)
     {
         if ($enum === null) {
             return "null";