Warning: Undefined array key "year" in /users/2019/i1919051/public_html/2022/WebProg/ch06/test06-01.php on line 9
:
Fatal error: Uncaught Error: Undefined constant "year" in /users/2019/i1919051/public_html/2022/WebProg/ch06/test06-01.php:16 Stack trace: #0 {main} thrown in /users/2019/i1919051/public_html/2022/WebProg/ch06/test06-01.php on line 16