When do session files get erased?

[ImOk]

I am using filebased sessions with and they get created in a folder
called c:\php5apps\ses sions

I have cookies enabled. I clear the cookies, but when to the session
files eventually get erased?

Does PHP check the sessions folder everytime for expired sessions and
erase them?

Thanks

[Alvaro G. Vicario]

Re: When do session files get erased?

*** ImOk escribió/wrote (7 Jul 2006 10:45:07 -0700):

I have cookies enabled. I clear the cookies, but when to the session
files eventually get erased?
>
Does PHP check the sessions folder everytime for expired sessions and
erase them?

Not every time, just randomly.

The behaviour is defined by these directives:

session.gc_prob ability
session.gc_divi sor
session.gc_maxl ifetime

From manual:

"session.gc_div isor coupled with session.gc_prob ability defines the
probability that the gc (garbage collection) process is started on every
session initialization. The 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 request. session.gc_divi sor defaults to 100."


--
-+ http://alvaro.es - Álvaro G. Vicario - Burgos, Spain
++ Mi sitio sobre programación web: http://bits.demogracia.com
+- Mi web de humor con rayos UVA: http://www.demogracia.com
--

[ImOk]

Re: When do session files get erased?

Weird way of doing it. I guess one can set the probability to 100% to
do this every time.
But thanks, I will read about it more in the manual.

Alvaro G. Vicario wrote:

*** ImOk escribió/wrote (7 Jul 2006 10:45:07 -0700):

I have cookies enabled. I clear the cookies, but when to the session
files eventually get erased?

Does PHP check the sessions folder everytime for expired sessions and
erase them?

>
Not every time, just randomly.
>
The behaviour is defined by these directives:
>
session.gc_prob ability
session.gc_divi sor
session.gc_maxl ifetime
>
From manual:
>
"session.gc_div isor coupled with session.gc_prob ability defines the
probability that the gc (garbage collection) process is started on every
session initialization. The 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 request. session.gc_divi sor defaults to 100."
>
>
--
-+ http://alvaro.es - Álvaro G. Vicario - Burgos, Spain
++ Mi sitio sobre programación web: http://bits.demogracia.com
+- Mi web de humor con rayos UVA: http://www.demogracia.com
--

[Jerry Stuckle]

Re: When do session files get erased?

ImOk wrote:

Weird way of doing it. I guess one can set the probability to 100% to
do this every time.
But thanks, I will read about it more in the manual.
>
Alvaro G. Vicario wrote:
>

>>*** ImOk escribió/wrote (7 Jul 2006 10:45:07 -0700):
>>

>>>I have cookies enabled. I clear the cookies, but when to the session
>>>files eventually get erased?
>>>
>>>Does PHP check the sessions folder everytime for expired sessions and
>>>erase them?

>>
>>Not every time, just randomly.
>>
>>The behaviour is defined by these directives:
>>
>>session.gc_pr obability
>>session.gc_di visor
>>session.gc_ma xlifetime
>>
>>From manual:
>>
>>"session.gc_d ivisor coupled with session.gc_prob ability defines the
>>probability that the gc (garbage collection) process is started on every
>>session initialization. The probability is calculated by using
>>gc_probabilit y/gc_divisor, e.g. 1/100 means there is a 1% chance that the
>>GC process starts on each request. session.gc_divi sor defaults to 100."
>>
>>
>>--
>>-+ http://alvaro.es - Álvaro G. Vicario - Burgos, Spain
>>++ Mi sitio sobre programación web: http://bits.demogracia.com
>>+- Mi web de humor con rayos UVA: http://www.demogracia.com
>>--

>
>

Actually, it makes a lot of sense. The heavier the load, the more often
the gc runs.


--
=============== ===
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex@attgl obal.net
=============== ===