From 6c42576f68ea41c97983256db8c0fdd1208a4e94 Mon Sep 17 00:00:00 2001
From: Alex Tselegidis <alextselegidis@gmail.com>
Date: Wed, 23 Feb 2022 12:52:47 +0100
Subject: [PATCH] PHP 8.1 support (#1209)

---
 system/core/Input.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/system/core/Input.php b/system/core/Input.php
index 30d528b8..3681f499 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -508,7 +508,7 @@ class CI_Input {
 				$which = FILTER_FLAG_IPV6;
 				break;
 			default:
-				$which = NULL;
+				$which = [];
 				break;
 		}