From efabb49e1f04b72f4aa8260f664464948a75ae16 Mon Sep 17 00:00:00 2001
From: Michael Joyce <mjoyce@math.ubc.ca>
Date: Wed, 9 Mar 2011 13:05:16 -0800
Subject: [PATCH] Issue #1087036 by mjoyce: warning message fixed.

---
 nodeaccess_nodereference.module |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/nodeaccess_nodereference.module b/nodeaccess_nodereference.module
index aed9780..d2dc4a4 100755
--- a/nodeaccess_nodereference.module
+++ b/nodeaccess_nodereference.module
@@ -535,8 +535,11 @@ function nodeaccess_nodereference_node_access_explain($row) {
       }
     }
 
-    $do = implode('/', $ops);
-
+    $do = "";
+    if($ops) {
+      $do = implode('/', $ops);
+    }
+      
     switch ($row->realm) {
       case 'nodeaccess_nodereference_view':
         $reference = node_load($row->gid);
-- 
1.7.1