Session problems in PHP

Source: Internet
Author: User
How long is the session lifecycle?
1. When the browser ends, its lifecycle also ends, but the file still exists in/tmp/(sess _???)
2. The sessionID will be re-allocated when you re-open the browser next time. If you use session_id () to bring back the previous ID, The sess _???, Retrieve all the previously set parameters
3. You can modify the remaining time of the session file in php. ini.

Session. gc_maxlifetime = 1440; after this number of seconds, stored
Data will be seen as 'garbage' and
Cleaned up by the gc process

The default value is 1440 seconds, 24 minutes

Storage path issues when using session

Check the session settings in php. ini.

Session. save_handler = files; handler used to store/retrieve data
Session. save_path =/tmp; argument passed to save_handler
In the case of files, this is
Path where data files are stored

By default, it is stored in the/tmp directory, which may not be true !!! It is best to change to your php installation path, such as c:/php
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