cookie1 :
Warning: Undefined array key "id" in /users/2019/i1919032/public_html/2022/WebProg/ch10/test10-02.php on line 9

cookie2 :
Warning: Undefined array key "pw" in /users/2019/i1919032/public_html/2022/WebProg/ch10/test10-02.php on line 10