array check

diff --git a/include/functions_config.inc.php b/include/functions_config.inc.php
index 91d751eda0c8b8ca50a91355d957e0bf2ce9e21a..88b4aaa2d4e0a5eed8f52fff2877cecf20e8efe8 100644 (file)
--- a/include/functions_config.inc.php
+++ b/include/functions_config.inc.php
@@ -752,6 +752,10 @@ function &serendipity_getGroups($authorid, $sequence = false) {
                            LEFT OUTER JOIN {$serendipity['dbPrefix']}groups AS g
                                         ON g.id = ag.groupid
                                      WHERE ag.authorid = " . (int)$authorid, false, 'assoc');
+    if (!is_array($groups)) {
+        $groups = array();
+    }
+    
     if ($sequence) {
         $_groups = $groups;
         $groups  = array();