From 687857391fcb528f5a38e2c7f3d9eb4c63b4a1d2 Mon Sep 17 00:00:00 2001
From: Janusz Dobrowolski <janusz@frontaccounting.eu>
Date: Sun, 10 Jan 2010 21:38:14 +0000
Subject: [PATCH] Fixed check for empty POST in check_num()

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

diff --git a/includes/data_checks.inc b/includes/data_checks.inc
index 295a353e..9589f13c 100644
--- a/includes/data_checks.inc
+++ b/includes/data_checks.inc
@@ -475,7 +475,7 @@ function check_num($postname, $min=null, $max=null) {
 	if(!isset($_POST[$postname]))
 	  return 0;
     $num = input_num($postname);
-    if ($num === false) 
+    if ($num === false || $num === null) 
 	  return 0;
     if (isset($min) && ($num<$min)) 
 	  return 0;
-- 
2.30.2