From 1a328478554e48448e8334f26ea5dcea9f14ec60 Mon Sep 17 00:00:00 2001
From: Normann Lou <normann@silverstripe.com>
Date: Fri, 19 Jun 2009 01:34:06 +0000
Subject: [PATCH] BUGFIX: check isset($variable) before using $variable

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@79602 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 forms/FormField.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/forms/FormField.php b/forms/FormField.php
index 66520f691..3d69bbacf 100644
--- a/forms/FormField.php
+++ b/forms/FormField.php
@@ -256,7 +256,7 @@ class FormField extends RequestHandler {
 	 * @param $class String
 	 */
 	function removeExtraClass($class) {
-		if(array_key_exists($class, $this->extraClasses)) unset($this->extraClasses[$class]);
+		if(isset($this->extraClasses) && array_key_exists($class, $this->extraClasses)) unset($this->extraClasses[$class]);
 	}
 
 	/**