From b83edc54fc64e1b1137dae6c71ccfab4b9aea06a Mon Sep 17 00:00:00 2001
From: Franz Liedke <franz@develophp.org>
Date: Thu, 21 Nov 2019 00:46:01 +0100
Subject: [PATCH] Actually return null

Nullable return types require an explicit null return value; not
returning or returning without value is the "void" type.
---
 framework/core/src/Extension/Extension.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/framework/core/src/Extension/Extension.php b/framework/core/src/Extension/Extension.php
index a657c4e95..9c818572c 100644
--- a/framework/core/src/Extension/Extension.php
+++ b/framework/core/src/Extension/Extension.php
@@ -301,6 +301,8 @@ class Extension implements Arrayable
         if (file_exists($deprecatedFilename)) {
             return $deprecatedFilename;
         }
+
+        return null;
     }
 
     /**