세션ID : 7cghqh4u2hc5cdmpsg3ep0a77p
session1 :
Warning: Undefined array key "session1" in /users/2000/i0058041/public_html/webprog/Session/unregSession.php on line 13

session2 :
Warning: Undefined array key "session2" in /users/2000/i0058041/public_html/webprog/Session/unregSession.php on line 14

session3 :
Warning: Undefined array key "session3" in /users/2000/i0058041/public_html/webprog/Session/unregSession.php on line 15

session1 삭제
모든 세션변수 삭제
세션 삭제