From eed1c58f33c1f44e021c7d7c98b13a4e8d58ea37 Mon Sep 17 00:00:00 2001
From: fadrian06 <franyeradriansanchez@gmail.com>
Date: Wed, 1 Apr 2026 03:05:29 -0400
Subject: [PATCH] fix nullable deprecated php80 warning

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

diff --git a/src/Flight.php b/src/Flight.php
index 9538cb6..c901e76 100644
--- a/src/Flight.php
+++ b/src/Flight.php
@@ -75,7 +75,7 @@ class Flight
      * @param mixed[] $params
      * @param ?callable(T): void $callback
      */
-    public static function register(string $name, string $class, array $params = [], callable $callback = null): void
+    public static function register(string $name, string $class, array $params = [], ?callable $callback = null): void
     {
         self::app()->register($name, $class, $params, $callback);
     }