Re: Manually setting session ids
- From: Jerry Stuckle <jstucklex@xxxxxxxxxxxxx>
- Date: Tue, 30 Sep 2008 08:36:20 -0400
Hugh Oxford wrote:
I am writing some server to server software that needs to maintain state.
When I say server to server I mean that the client is not a browser, it is another PHP server (as if that wasn't obvious).
The obvious way to do this is to use the session ID. The problem is, how to first of all generate a session ID and then send back a session ID to reload a session.
Perhaps my understanding of sessions is too limited, but I can't see the wood for the trees at the moment. Maybe it's obvious and I can't see it.
This is the server (pseudocode). Forget the transport mechanism, imagine that any function can be called remotely.
<?php
session_start();
function GetSessionID()
{
return session_id();
}
function SetSessionID($session_id)
{
session_id($session_id);
}
function SetVar($var, $val)
{
$_SESSION[$var] = $val;
}
function GetVar($var)
{
return $_SESSION[$var];
}
?>
now, on the client side, the idea is to do something like this
$sid = $client->GetSessionId();
$client->SetSessionId($sid);
$client->SetVar('foo', 'bar');
echo $client->GetVar('foo'); //returns 'bar'
The problem seems to be that session_start on the server side is called at the top of the script, and there is no way to change the session_id midstream.
Even if I could change the session_id, would I get back the data I had already set?
Does anyone have any thoughts. I'm going mad.
I don't understand what the session id has to do with what you're trying to accomplish. In fact, I have no idea exactly what you're even trying to accomplish.
How about describing what you're trying to do, instead of why what you're doing won't work (and no, it won't work).
--
==================
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Jerry Stuckle
JDS Computer Training Corp.
jstucklex@xxxxxxxxxxxxx
==================
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