PHP Warning: session destroy(): Trying to destroy uninitialized session

1 개요

PHP Warning: session_destroy(): Trying to destroy uninitialized session

PHP 경고: session_destroy(): 세션을 초기화하지 않고 제거하려 함

• 아파치 오류 로그에 PHP Warning 발생
• PHP 세션 로그인 구현의 logout.php에서 Warning 발생
• 원인: session_start() 없이 session_destroy() 사용

[root@zetawiki ~]# grep session_destroy /var/log/httpd/error_log | tail -1
[Thu Aug 20 21:44:38 2015] [error] [client 127.0.0.1] PHP Warning:  session_destroy(): Trying to destroy uninitialized session in /var/www/html/ex/php/session_login/logout.php on line 2, referer: http://zetawiki.com/ex/php/session_login/main.php

2 조치

변경 전

<?php
session_destroy();
?>
<meta http-equiv='refresh' content='0;url=main.php'>

변경 후

<?php
session_start();
session_destroy();
?>
<meta http-equiv='refresh' content='0;url=main.php'>

3 같이 보기

• PHP 세션 로그인 구현
• PHP session_start()
• PHP session_destroy()

4 참고

• http://stackoverflow.com/questions/18188716/warning-session-destroy-trying-to-destroy-uninitialized-session