laravel query count raw

1$users = DB::table('users')
2            ->join('contacts', 'users.id', '=', 'contacts.user_id')
3            ->join('orders', 'users.id', '=', 'orders.user_id')
4            ->select('users.*', 'contacts.phone', 'orders.price')
5            ->get();

1DB::table('users')
2	->select('users.*', DB::raw('count(orders.user_id) as count_by_user_id'))
3	->join('orders' ,function($join){
4		$join->on('orders.user_id', '=', 'users.id');
5	})
6	->groupBy('users.id')
7	->orderBy('users.id', "DESC")
8	->get();