Ticket #1300: bb-topic-tags-cache.patch

bb-includes/functions.bb-topic-tags.php

@@ -270 +270 @@
         $cache_id = $topic_id . serialize( $args );
 
         $terms = wp_cache_get( $cache_id, 'bb_topic_tag_terms' );
-        if ( empty( $terms ) ) {
+        if ( $terms === false ) {
                 $terms = $wp_taxonomy_object->get_object_terms( (int) $topic->topic_id, 'bb_topic_tag', $args );
                 wp_cache_set( $cache_id, $terms, 'bb_topic_tag_terms' );
         }