세션 ID : 8mac3blcagdgk2hebjl13fkmo0
session1 :
Warning: Undefined array key "sess_id" in /users/2019/i1919029/public_html/2022/WebProg/ch10/test10-04.php on line 10

session2 :
Warning: Undefined array key "sess_pw" in /users/2019/i1919029/public_html/2022/WebProg/ch10/test10-04.php on line 11

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