세션ID :
session1 :
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Warning: Trying to access array offset on null in /users/2018/i1858014/public_html/2019/webprog/ch10/exam10-07.php on line 12
session1 :
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session1 :
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?>
세션설정
세션확인
세션변수 session1 삭제
세션삭제