세션ID : udenio0lranm4fl9hudfitcagl
Fatal error: Uncaught Error: Undefined constant "session_unset" in /users/2019/i1919069/public_html/2022/WebProg/ch10/exam10-07.php:11
Stack trace:
#0 {main}
thrown in /users/2019/i1919069/public_html/2022/WebProg/ch10/exam10-07.php on line 11