fixes #1169 as described on ticket

git-svn-id: http://code.elgg.org/elgg/trunk@3683 36083f99-b078-4883-b0ff-0f9b5a30f544

diff --git a/engine/lib/tags.php b/engine/lib/tags.php
index 3c65c2a7aac75534a1b84dfe430a8662a3396778..77db25348c24505d48baa268b6507b2f83840587 100644 (file)
--- a/engine/lib/tags.php
+++ b/engine/lib/tags.php
@@ -92,6 +92,10 @@ function get_tags($threshold = 1, $limit = 10, $metadata_name = "", $entity_type
 
        if (!empty($metadata_name)) {
                $metadata_name = (int) get_metastring_id($metadata_name);
+               // test if any metadata with that name
+               if (!$metadata_name) {
+                       return false; // no matches so short circuit
+               }
        } else {
                $metadata_name = 0;
        }