Ken Tozier wrote:
I'm writing a bunch of scripts that will all use a common session and
am a bit confused about when to manually destroy sessions and/or when
php automatically destroys them for me. For example:
If a user starts a session, leaves their computer on and goes home for
the weekend, when they come back on Monday will their session still
exist on the server? Could they pick right up where they left off?
don't care and only sets
session.gc_maxlifetime
session.gc_divisor
session.gc_probability
to correct values.
When you call session_start php sometimes runs garbage collector which
remove old sessions. Probability is calculated by using
gc_probability/gc_divisor e.g. 1/100 means there is a 1% chance that the
GC process starts on each session_start(). If you set probability to
100% GC will run on every session_start(). This is good for testing but
not for production environment (default value (1%) is enough).
Sessions which is last modified (before php 4.2.? was used last access
time) before current time minus gc_maxlifetime is a old session and will
be deleted.
--
Ondrej Ivanic
(ondrej@xxxxxxx)
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