Ticket #19535: 19535.patch

wp-includes/admin-bar.php

@@ -275 +275 @@
         if ( ! is_user_logged_in() || ! is_multisite() )
                 return;
 
-        // Show only when the user has at least one site, or they're a super admin.
-        if ( count( $wp_admin_bar->user->blogs ) < 1 && ! is_super_admin() )
+        // Show only when the user has more than one site, or they're a super admin.
+        if ( count( $wp_admin_bar->user->blogs ) <= 1 && ! is_super_admin() )
                 return;
 
         $wp_admin_bar->add_menu( array(