Warning: session_start(): open(/var/lib/php/sessions/sess_0nf1ppsrd9r5lir0h4rqco7fh7, O_RDWR) failed: No space left on device (28) in /users/2018/i1858023/public_html/2019/webprog/ch10/exam10-04.php on line 1

Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /users/2018/i1858023/public_html/2019/webprog/ch10/exam10-04.php on line 1
세션ID:
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세션변수 session1 삭제
모든 세션변수삭제
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