Avoid passing null value to number_format() in Module\Admin\Federation

- Address part of https://github.com/friendica/friendica/issues/13699#issuecomment-1848363608

diff --git a/src/Module/Admin/Federation.php b/src/Module/Admin/Federation.php
index 51b83ccb4acce93388d473e5f801bc7c3594ea8b..7263057e53ba1486ca71296188b15304648f66da 100644 (file)
--- a/src/Module/Admin/Federation.php
+++ b/src/Module/Admin/Federation.php
@@ -185,8 +185,8 @@ class Federation extends BaseAdmin
 
                        $gserver['platform']    = $systems[$platform]['name'];
                        $gserver['totallbl']    = DI::l10n()->tt('%2$s total system'                   , '%2$s total systems'                     , $gserver['total'], number_format($gserver['total']));
-                       $gserver['monthlbl']    = DI::l10n()->tt('%2$s active user last month'         , '%2$s active users last month'           , $gserver['month'] ?? 0, number_format($gserver['month']));
-                       $gserver['halfyearlbl'] = DI::l10n()->tt('%2$s active user last six months'    , '%2$s active users last six months'      , $gserver['halfyear'] ?? 0, number_format($gserver['halfyear']));
+                       $gserver['monthlbl']    = DI::l10n()->tt('%2$s active user last month'         , '%2$s active users last month'           , $gserver['month'] ?? 0, number_format($gserver['month'] ?? 0));
+                       $gserver['halfyearlbl'] = DI::l10n()->tt('%2$s active user last six months'    , '%2$s active users last six months'      , $gserver['halfyear'] ?? 0, number_format($gserver['halfyear'] ?? 0));
                        $gserver['userslbl']    = DI::l10n()->tt('%2$s registered user'                , '%2$s registered users'                  , $gserver['users'], number_format($gserver['users']));
                        $gserver['postslbl']    = DI::l10n()->tt('%2$s locally created post or comment', '%2$s locally created posts and comments', $gserver['posts'], number_format($gserver['posts']));