From 17b69f7c5f2e94c2c951f8f702ca687cfc8bfaa8 Mon Sep 17 00:00:00 2001
From: ngleader <ngleader@gmail.com>
Date: Mon, 30 Mar 2009 09:49:02 +0000
Subject: [PATCH] fix document bug

git-svn-id: http://xe-core.googlecode.com/svn/sandbox@5997 201d5d3c-b55e-5fd7-737f-ddc643e51545
---
 modules/document/document.model.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/document/document.model.php b/modules/document/document.model.php
index 276eb3091..63a7b502c 100644
--- a/modules/document/document.model.php
+++ b/modules/document/document.model.php
@@ -458,7 +458,7 @@
                 $GLOBALS['XE_EXTRA_KEYS'][$module_srl] = $oExtraVar->getExtraVars();
             }
 
-            ksort($GLOBALS['XE_EXTRA_KEYS'][$module_srl]);
+            if(is_array($GLOBALS['XE_EXTRA_KEYS'][$module_srl]) ksort($GLOBALS['XE_EXTRA_KEYS'][$module_srl]);
             return $GLOBALS['XE_EXTRA_KEYS'][$module_srl];
         }
 
@@ -472,7 +472,7 @@
                 $GLOBALS['XE_DOCUMENT_LIST'][$document_srl] = $oDocument;
                 $this->setToAllDocumentExtraVars();
             }
-            ksort($GLOBALS['XE_EXTRA_VARS'][$document_srl]);
+            if(is_array($GLOBALS['XE_EXTRA_VARS'][$document_srl])) ksort($GLOBALS['XE_EXTRA_VARS'][$document_srl]);
             return $GLOBALS['XE_EXTRA_VARS'][$document_srl];
         }