Description:
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In the php.ini file, here's what it says (for session.save_path):

##START##
; NOTE: If you are using the subdirectory option for storing session files
;       (see session.save_path above), then garbage collection does *not*
;       happen automatically.  You will need to do your own garbage
;       collection through a shell script, cron entry, or some other method.
;       For example, the following script would is the equivalent of
;       setting session.gc_maxlifetime to 1440 (1440 seconds = 24 minutes):
;          cd /path/to/sessions; find -cmin +24 | xargs rm 
##END##

On the website, here's what it says (http://ca3.php.net/manual/en/session.configuration.php#ini.session.save-path):

##START##
Also note that if N is used and greater than 0 then automatic garbage collection will not be performed
##END##

The documentation in php.ini is misleading as it makes you think that using the session.save_path variable will prevent the garbage collector to work. This isn't true. It would happen *only* if you are specifying "N", and it "N" would be greater than 0.

Expected result:
----------------
The documentation in the php.ini file (either for "session.save_path" or "session.gc_maxlifetime") should include the same information as found on the website.