From 770281b65cc9834434c5e8a7450c85f92b50f4a2 Mon Sep 17 00:00:00 2001
From: Sam Minnee <sam@silverstripe.com>
Date: Sun, 5 Dec 2010 08:26:40 +0000
Subject: [PATCH] BUGFIX Clear static marking caches on Hierarchy->flushCache()
 (from r113277)

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@114530 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 core/model/Hierarchy.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/model/Hierarchy.php b/core/model/Hierarchy.php
index 4a143e365..b4a675c76 100755
--- a/core/model/Hierarchy.php
+++ b/core/model/Hierarchy.php
@@ -674,6 +674,9 @@ class Hierarchy extends DataObjectDecorator {
 	function flushCache() {
 		$this->_cache_children = null;
 		$this->_cache_numChildren = null;
+		self::$marked = array();
+		self::$expanded = array();
+		self::$treeOpened = array();
 	}
 	
 	function reset() {