MDL-13791 - fix to prevent notice

diff --git a/tag/locallib.php b/tag/locallib.php
index 8f46e31dafd1d2fdb36b0c9a8308749ca1fb20c1..e2c26d533088ea59c68e6959e0aa5b909967fb26 100644 (file)
--- a/tag/locallib.php
+++ b/tag/locallib.php
@@ -21,10 +21,12 @@ function tag_print_cloud($nr_of_tags=150, $return=false) {
     
     $can_manage_tags = has_capability('moodle/tag:manage', get_context_instance(CONTEXT_SYSTEM));
 
-    $tagcloud = get_records_sql('SELECT tg.rawname, tg.id, tg.name, tg.tagtype, COUNT(ti.id) AS count, tg.flag '.
+    if ( !$tagcloud = get_records_sql('SELECT tg.rawname, tg.id, tg.name, tg.tagtype, COUNT(ti.id) AS count, tg.flag '.
         'FROM '. $CFG->prefix .'tag_instance ti INNER JOIN '. $CFG->prefix .'tag tg ON tg.id = ti.tagid '.
         'GROUP BY tg.id, tg.rawname, tg.name, tg.flag, tg.tagtype '.
-        'ORDER BY count DESC, tg.name ASC', 0, $nr_of_tags);
+        'ORDER BY count DESC, tg.name ASC', 0, $nr_of_tags) ) {
+        $tagcloud = array();
+    }
 
     $totaltags  = count($tagcloud);
     $currenttag = 0;