Codeigniter session using ajax

Question

i know maybe it's a repetitive question, but i would like to know if someone has a good idea for leave user session alive when using ajax calls.

I figured out that when i'm logged and i leave the browser open for 1-2 hours, when i launch ajax calls the session is expired.

i'm using the standard:

$config['sess_time_to_update']  = 7200;

i would like to know if someone has the definitive way to keep alive the user session, better without using interval js functions

sess_time_to_update is how many seconds until the session is regenerated. sess_expiration is the number of seconds the session will last. Setting sess_expirationto 0 will set the session to never expire. — birderic
– birderic, Commented Sep 22, 2011 at 19:47
oh sorry wrong line i was meaning expiration = 7200 ... so you suggest to put it to 0? i'm on CI 2.0+ version, does will session expire on browser call also if session expiration is setted to 0 (and expire on close = TRUE)? — Filippo oretti
– Filippo oretti, Commented Sep 22, 2011 at 21:34
7200 seconds = 2 hours, so this makes perfect sense. As birderic said, either disable the expiration by setting it to 0, or increase from the default number of seconds. — Mike S.
– Mike S., Commented Sep 22, 2011 at 22:26
thanxs guys..My problem is solved reading your conversation..again thanxs. — TheFoxLab
– TheFoxLab, Commented Nov 7, 2012 at 9:18
Should you want to continue to have session expiration, please see agustinrc89 answer via stackoverflow.com/questions/7980193/…. — tibc-dev
– tibc-dev, Commented Feb 26, 2014 at 19:45

Chris Schmitz · Accepted Answer · 2011-09-22 20:12:49Z

2

The session time is set in the __construct() so you could just call any method from the session library when you are making the ajax call and it should update your session expiration time. I would probably just set an "ajax_request" item in the session just to call the library and fire the constructor to reset the session expiration time.

answered Sep 22, 2011 at 20:12

Chris Schmitz

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1 Comment

Filippo oretti Over a year ago

uhm but i need js ajax calls everytime for refrshing, if you read on top, user birderic has the right answer as i can see :P thx anyway i voted up ;)

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