note 117901 added to session.examples.basic

as metioned in 5th paragraph: "Sessions normally shutdown automatically when PHP is finished executing a script, but can be manually shutdown using the session_write_close() function." It's important to note that , "session shutdown " and "session invalid" are not equivalant. when a session shutdown, its session file is still valid in 24min by default (session file still exists in session path) . In subsquent access to this site ( ensure that this session file still exists ) ,this session will be resumed by session_start(). ---- Server IP: 72.52.91.14 Probable Submitter: 125.39.106.111 ---- Manual Page -- http://php.net/manual/en/session.examples.basic.php Edit -- https://master.php.net/note/edit/117901 Del: integrated -- https://master.php.net/note/delete/117901/integrated Del: useless -- https://master.php.net/note/delete/117901/useless Del: bad code -- https://master.php.net/note/delete/117901/bad+code Del: spam -- https://master.php.net/note/delete/117901/spam Del: non-english -- https://master.php.net/note/delete/117901/non-english Del: in docs -- https://master.php.net/note/delete/117901/in+docs Del: other reasons-- https://master.php.net/note/delete/117901 Reject -- https://master.php.net/note/reject/117901 Search -- https://master.php.net/manage/user-notes.php