I have an iFRAME that is on a page that is not on the

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Asked: June 2, 20262026-06-02T07:51:17+00:00 2026-06-02T07:51:17+00:00

I have an iFRAME that is on a page that is not on the same domain. I am trying to pass the session id via url. I set the url such like….

 applyonline.php?session_id=3u8ob97d5e3h35povbnuraih22

Then I read that session id in with…

   $session_id = $_GET['session_id'];
   session_id($session_id);

I’ve tried setting these with no avail…

   ini_set('session.use_cookies', '0');
   ini_set('session.use_trans_sid', '1');

I’ve googled this like crazy and cannot find a solution that works for me.

BTW Firefox works fine because it accepts 3rd party cookies in the iFRAME, IE is the problem.

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Editorial Team · Answer 1 · 2026-06-02T07:51:19+00:00

Editorial Team

use ?PHPSESSID= argument instead.

The cleanest way to do it is described in the docs:

url.php?<?= htmlspecialchars(SID) ?>

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