$user = User::select("users.*","items.id as itemId","jobs.id as jobId")

            ->join("items","items.user_id","=","users.id")

            ->join("jobs",function($join){

                $join->on("jobs.user_id","=","users.id")

                    ->on("jobs.item_id","=","items.id");

            })

            ->get();

print_r($user);