From ddf66c1fec95c8c733fc674e8f305918c7d5539c Mon Sep 17 00:00:00 2001
From: Sam Minnee <sam@silverstripe.com>
Date: Wed, 13 Oct 2010 01:28:02 +0000
Subject: [PATCH] BUGFIX Fixed SiteTree::page_type_classes() removal of base
 class (was broken if database driver returned classes in arbitrary order,
 e.g. in Postgres) (from r102026)

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@112058 467b73ca-7a2a-4603-9d3b-597d59a354a9
---
 core/model/SiteTree.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core/model/SiteTree.php b/core/model/SiteTree.php
index 57d98bdab..748328731 100755
--- a/core/model/SiteTree.php
+++ b/core/model/SiteTree.php
@@ -295,7 +295,8 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 	 */
 	public static function page_type_classes() {
 		$classes = ClassInfo::getValidSubClasses();
-		array_shift($classes);
+		if($baseClassIndex = array_search('SiteTree', $classes)) unset($classes[$baseClassIndex]);
+
 		$kill_ancestors = array();
 
 		// figure out if there are any classes we don't want to appear
@@ -318,7 +319,7 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
 				unset($classes[$idx]);
 			}
 		}
-		
+
 		return $classes;
 	}