From a702e9312d8c7a9a5b4b58aa86f17077857e7c6c Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@bah.spb.su>
Date: Thu, 23 Aug 2007 13:01:09 +0100
Subject: [PATCH] do not try to process missing article categories

---
 functions.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/functions.php b/functions.php
index bc26bf77..3a317a79 100644
--- a/functions.php
+++ b/functions.php
@@ -740,8 +740,10 @@
 					$additional_tags = array();
 					$additional_tags_src = $item->get_categories();
 
-					foreach ($additional_tags_src as $tobj) {
-						array_push($additional_tags, $tobj->get_term());
+					if (is_array($additional_tags_src)) {
+						foreach ($additional_tags_src as $tobj) {
+							array_push($additional_tags, $tobj->get_term());
+						}
 					}
 
 				} else {