From a83785bc42d2aaba15b08aad34ce19969ecc7607 Mon Sep 17 00:00:00 2001
From: Kijin Sung <kijin@kijinsung.com>
Date: Wed, 19 Dec 2018 15:52:26 +0900
Subject: [PATCH] Don't accept empty key for Context::set() and Context::get()

https://xetown.com/questions/1130915
---
 classes/context/Context.class.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/classes/context/Context.class.php b/classes/context/Context.class.php
index be92a7656..1d06955fa 100644
--- a/classes/context/Context.class.php
+++ b/classes/context/Context.class.php
@@ -1881,6 +1881,12 @@ class Context
 	 */
 	public static function get($key)
 	{
+		if(empty($key))
+		{
+			trigger_error('Called Context::get() with an empty key', \E_USER_WARNING);
+			return;
+		}
+		
 		if(isset(self::$_tpl_vars->{$key}))
 		{
 			return self::$_tpl_vars->{$key};