where clause first and groupby 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 where like

$users = DB::table('users')
                ->where('name', 'like', 'T%')
                ->get();