1 files changed, 10 insertions, 0 deletions
diff --git a/lib/tidypics.php b/lib/tidypics.php
index 7426a048e..38c6b31a8 100644
--- a/lib/tidypics.php
+++ b/lib/tidypics.php
@@ -190,6 +190,16 @@ function tidypics_list_photos(array $options = array()) {
 	return elgg_view_entity_list($sorted_entities, $options);
 }
 
+/**
+ * Returns just a guid from a database $row. Used in elgg_get_entities()'s callback.
+ *
+ * @param stdClass $row
+ * @return type
+ */
+function tp_guid_callback($row) {
+	return ($row->guid) ? $row->guid : false;
+}
+
 
 /*********************************************************************
  * the functions below replace broken core functions or add functions