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PHP Server Side Scripting Forum

    
How to check if a Session has been started
with $_SESSION variable
circuitjump




msg:1314627
 7:45 pm on Sep 4, 2002 (gmt 0)

Hi all,
How can I go about checking to see if a session has been started?

session_start();
$this->resetMessages();

I want it to check if session has started, if it has not, then execute the code above. But I'm not sure on how to tell it to check with $_SESSION variable.

Thanks for the help.

 

Nick_W




msg:1314628
 7:55 pm on Sep 4, 2002 (gmt 0)

maybe you could use session_is_registered() [php.net] to check if a session var is registered and base your logic on that?

Nick

circuitjump




msg:1314629
 8:24 pm on Sep 4, 2002 (gmt 0)

I should have posted this earlier.

The error I keep getting is
Warning: Cannot send session cache limiter - headers already sent (output started at /common/browser.detector.php:134) in /common/user.auth.php on line 13

And I'm not sure why it's doing it. From what I've been reading on php.net (http://www.php.net/manual/en/function.session-start.php),
session_start looks for an existing session, if it doesn't find one,
then it creates a new session.

So I'm not sure why I keep getting this error?

Thanks once again

Nick_W




msg:1314630
 8:30 pm on Sep 4, 2002 (gmt 0)

You can't use sessions or cookies after you have already sent content to the browser.

Do your session stuff before you send any html or white space...

Nick

circuitjump




msg:1314631
 9:52 pm on Sep 4, 2002 (gmt 0)

Thanks Nick_W

That was the problem. I really appreciate the help :)

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