From 481b39c0950b34482fb565ef9230345000938e7e Mon Sep 17 00:00:00 2001
From: Janusz Dobrowolski <janusz@frontaccounting.eu>
Date: Thu, 20 Mar 2008 11:51:43 +0000
Subject: [PATCH] Warning fix in is_date()

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

diff --git a/includes/date_functions.inc b/includes/date_functions.inc
index 484d5a8e..febf609f 100644
--- a/includes/date_functions.inc
+++ b/includes/date_functions.inc
@@ -83,7 +83,7 @@ function is_date($date_)
 			$year = substr($date_,0,4);
 		}
 	}
-	if ((int)$year > 9999) 
+	if (!isset($year)|| (int)$year > 9999) 
 	{
 		return 0;
 	}
-- 
2.30.2