PHP: Session value null after redirect

Question

I do an AJAX call to login my TYPO3 Users. Everything doing well. I also write some session values. After successfull login i have this session:

array(10) {
    ["loggedin"]=>
          int(1)
    ["user"]=>
          string(15) "Thomas Helmrich"
    ["kdnr"]=>
          string(3) "N/A"
    ["email"]=>
          string(15) "Thomas Helmrich"
    ["bereich"]=>
          string(3) "all"
    ["name"]=>
          string(0) ""
    ["intern"]=>
          int(1)
    ["nickid"]=>
          string(4) "4734"
    ["chatadmin"]=>
          int(1)
    ["spezialforum"]=>
          int(0)
}

but after the redirect like e.g.

header("Status: 301 Moved Permanently");
header("Location:".$redirect_url);
exit();

The Values are null

array(14) {
  ["loggedin"]=>
  NULL
  ["user"]=>
  NULL
  ["password"]=>
  NULL
  ["kdnr"]=>
  NULL
  ["email"]=>
  NULL
  ["bereich"]=>
  NULL
  ["name"]=>
  NULL
  ["chatadmin"]=>
  NULL
}

I currently don´t know why the values get null´d

Thanks

possible duplicate of stackoverflow.com/questions/17242346/… — Latheesan
– Latheesan, Commented Apr 2, 2014 at 14:00
have you used session_start() on the top of every page that you want to get the session values. — user3293145
– user3293145, Commented Apr 2, 2014 at 14:01
why are you setting header("Status: 301 Moved Permanently") ? — Radu
– Radu, Commented Apr 2, 2014 at 14:01
my problem is not to have a NULL Session - but the Session VALUES are null. if i output session it outputs still the keys etc. but the values are null. — develth
– develth, Commented Apr 2, 2014 at 14:14

Radu · Accepted Answer · 2014-04-02 14:04:27Z

1

Session ID is not passed with Location header even if session.use_trans_sid is enabled. It must by passed manually using SID constant.

From: http://www.php.net/manual/en/function.header.php last note.

answered Apr 2, 2014 at 14:04

Radu

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Sysout · Accepted Answer · 2014-04-02 14:11:00Z

0

Try something like this (add Session-ID to the URL):

header("Status: 302 Found");
header("Location:".$redirect_url.'?'.session_name().'='.session_id());
exit();

This is only necessary if your client don't allow cookies.

BUT: Really have to make your redirection "permanently"? Maybe, a 302 do it better ...?

answered Apr 2, 2014 at 14:11

Sysout

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2 Comments

develth Over a year ago

i do this rederict just for debuggin. i output it in my console. adding session_name and session_id doensn´t help - all values still NULL. It seems like it doesn´t have problems on finding the Session, the session itself exists with the keys - but the values are null.

Sysout Over a year ago

OK. The session-id of the request is used by your server to locate a local sessionfile at the servers filesystem. This sessionfile contains the sessiondata. So check if your server uses another sessionfile for the targeturl. Have the redirected URL another (sub)domain then the Source-URL?

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