From d171b6c9da1b3c8a39498759ff52886306293022 Mon Sep 17 00:00:00 2001
From: Rocco Howard <rocco@hnh.digital>
Date: Wed, 18 Aug 2021 06:18:02 +0000
Subject: [PATCH] Return empty string not null for format

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

diff --git a/src/NullCarbon.php b/src/NullCarbon.php
index 3730050..0e611ac 100755
--- a/src/NullCarbon.php
+++ b/src/NullCarbon.php
@@ -41,7 +41,7 @@ public function __construct($time = null, $tz = null)
      */
     public function format($format)
     {
-        return null;
+        return '';
     }
 
     /**