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HomeBackend DevelopmentPHP TutorialWarning: session_destroy() [function.session-destroy]: Tryin_PHP教程

When using session_destroy() to log out the Session variable,

appeared

Warning: session_destroy() [function.session-destroy]: Trying to destroy
uninitialized session in

’s error! ! After verification, the session_start() function must be called first before using the session_destroy() function.
That is to say, the following code is required:

session_start();
session_destroy();
?>

Analysis

I still lack experience and lack of understanding of sessions. This error occurred, and I checked it later,

Before calling session_destroy(), you need to call session_start();

To tell the system that you currently have a session. Then close

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