From 64891c9f9c7f2009c2106af6190229798498044b Mon Sep 17 00:00:00 2001
From: Josaphat Imani <josaphat.imani97@gmail.com>
Date: Wed, 10 Aug 2022 15:40:17 +0100
Subject: [PATCH] Fix emptying text setting values

---
 lib/module.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/module.php b/lib/module.php
index 0426fc112f..2cb315e37e 100644
--- a/lib/module.php
+++ b/lib/module.php
@@ -394,7 +394,7 @@ public function process_key() {
     private function check_field($val) {
         switch (true) {
             case is_array($val):
-            case trim((string) $val) !== '':
+            case is_string($val):
             case $val === '0':
             case $val === 0:
                 return $val;