Fix OC_User::getDisplaynames when using numeric user id's

fixes #2948

diff --git a/lib/user.php b/lib/user.php
index b19af940795b64087852be8ea7bda0f2f494f390..226b716188d3c71cfbc8b2bdd28198df164e9347 100644 (file)
--- a/lib/user.php
+++ b/lib/user.php
@@ -527,7 +527,7 @@ class OC_User {
                foreach (self::$_usedBackends as $backend) {
                        $backendDisplayNames = $backend->getDisplayNames($search, $limit, $offset);
                        if (is_array($backendDisplayNames)) {
-                               $displayNames = array_merge($displayNames, $backendDisplayNames);
+                               $displayNames = $displayNames + $backendDisplayNames;
                        }
                }
                asort($displayNames);