From dc449868579dadd4fb918b6a9a7b10ba175d388b Mon Sep 17 00:00:00 2001
From: Joe Hunt <joe.hunt.consulting@gmail.com>
Date: Fri, 23 Dec 2016 08:57:23 +0100
Subject: [PATCH] Bug submitting forms in FA 2.4.x when checkbox field not
 changed. Fixed

---
 includes/ui/ui_input.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/ui/ui_input.inc b/includes/ui/ui_input.inc
index b15ba10e..2a4d75fd 100644
--- a/includes/ui/ui_input.inc
+++ b/includes/ui/ui_input.inc
@@ -347,7 +347,7 @@ function select_button_cell($name, $value, $title=false)
 
 function check_value($name)
 {
-	if (!isset($_POST[$name]) || $_POST[$name]=='')
+    if (!isset($_POST[$name]) || ($_POST[$name]+0) === 0)
 		return 0;
 	return 1;
 }
-- 
2.30.2