PHP Manual
Session 函数
Write session data and end session

session_write_close

(PHP 4 >= 4.0.4, PHP 5, PHP 7)

session_write_close — Write session data and end session

说明

session_write_close ( void ) : bool

End the current session and store session data.

Session data is usually stored after your script terminated without the need to call session_write_close(), but as session data is locked to prevent concurrent writes only one script may operate on a session at any time. When using framesets together with sessions you will experience the frames loading one by one due to this locking. You can reduce the time needed to load all the frames by ending the session as soon as all changes to session variables are done.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

更新日志

版本	说明
7.2.0	The return type of this function is bool now. Formerly, it has been void.

参见

The session_register_shutdown() - 关闭会话

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