From a1c7bcfdfeb054b4f1bba0f5c2d1bec382898eaa Mon Sep 17 00:00:00 2001
From: "M. Vugteveen" <it-can@users.noreply.github.com>
Date: Mon, 13 Jan 2025 19:54:14 +0100
Subject: [PATCH] fix php8.4 deprecated

---
 src/PHPUnit/Comparator.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PHPUnit/Comparator.php b/src/PHPUnit/Comparator.php
index 302bf80..7c65e4e 100644
--- 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";