having and group by in laravel code example

Example 1: group by laravel

$user_info = DB::table('usermetas')
                 ->select('browser', DB::raw('count(*) as total'))
                 ->groupBy('browser')
                 ->get();

Example 2: laravel multiple group by

$routes = DB::table('route')
->groupBy('rte_origin', 'rte_destination')
->get();