세션ID : e6daaef95c881bd3fc406ca0bb0d9da0
session1 :
Warning: Undefined array key "session1" in /users/2016/i1658046/public_html/2019/webprog/ch10/exam10-05.php on line 10

session2 :
Warning: Undefined array key "session2" in /users/2016/i1658046/public_html/2019/webprog/ch10/exam10-05.php on line 11

session3 :
Warning: Undefined array key "session3" in /users/2016/i1658046/public_html/2019/webprog/ch10/exam10-05.php on line 12

세션설정
세션변수
모든세션변수삭제
세션삭제