From 4b4806f9328aebcc511bac0a5a1ec75bd05d6b2a Mon Sep 17 00:00:00 2001
From: flyskyko <sinsy200@gmail.com>
Date: Tue, 28 Feb 2012 11:17:58 +0000
Subject: [PATCH] issue 1557, Added codes for unset get_vars

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10254 201d5d3c-b55e-5fd7-737f-ddc643e51545
---
 classes/context/Context.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/context/Context.class.php b/classes/context/Context.class.php
index c4e336c78..b11189906 100644
--- a/classes/context/Context.class.php
+++ b/classes/context/Context.class.php
@@ -1020,7 +1020,7 @@ class Context {
 		is_a($this,'Context')?$self=&$this:$self=&Context::getInstance();
 		$self->context->{$key} = $val;
 		if($set_to_get_vars === false) return;
-		if(empty($val))
+		if($val === NULL || $val === '')
 		{
 			unset($self->get_vars->{$key});
 			return;