From 1308ae723c7d3cd9532eb0f64e05e4c260b5df92 Mon Sep 17 00:00:00 2001
From: pdontthink <pdontthink@7612ce4b-ef26-0410-bec9-ea0150e637f0>
Date: Thu, 13 Apr 2023 05:56:39 +0000
Subject: [PATCH] Don't str_replace() on null values

git-svn-id: https://svn.code.sf.net/p/squirrelmail/code/trunk/squirrelmail@14990 7612ce4b-ef26-0410-bec9-ea0150e637f0
---
 functions/options.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/functions/options.php b/functions/options.php
index 249ce66f..ceabee3d 100644
--- a/functions/options.php
+++ b/functions/options.php
@@ -1006,7 +1006,7 @@ function save_option($option) {
 
     // all other widgets except TEXTAREAs should never be allowed to have newlines
     //
-    else if ($option->type != SMOPT_TYPE_TEXTAREA)
+    else if ($option->type != SMOPT_TYPE_TEXTAREA && !empty($option->new_value))
         $option->new_value = str_replace(array("\r", "\n"), '', $option->new_value);
 
 
-- 
2.25.1