From 2068065e70294c46cb5244723d9dc44d3a72b66c Mon Sep 17 00:00:00 2001
From: Janusz Dobrowolski <janusz@frontaccounting.eu>
Date: Wed, 13 May 2015 12:58:18 +0200
Subject: [PATCH] Fixed check_value helper to treat empty input as unset
 checkbox.

---
 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 ed0e0595..aa57475c 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[$name]))
+	if (!isset($_POST[$name]) || $_POST[$name]=='')
 		return 0;
 	return 1;
 }
-- 
2.30.2