From e8c1c71018a1e654e57a6a887ca376eed46d7cde Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Wed, 20 Jun 2018 20:38:23 +0200
Subject: [PATCH] init $oldattributes with empty array

---
 op/op.EditDocument.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/op/op.EditDocument.php b/op/op.EditDocument.php
index 1921eec0a..8717d39ff 100644
--- a/op/op.EditDocument.php
+++ b/op/op.EditDocument.php
@@ -113,6 +113,7 @@ $oldexpires = $document->getExpires();
  * will just update the old attribute object in array attributes[] and hence
  * also update the old value
  */
+$oldattributes = array();
 foreach($document->getAttributes() as $ai=>$aa)
 	$oldattributes[$ai] = clone $aa;
 //$oldattributes = $document->getAttributes();