Re: [PHP] How to check if a session exists

[Deckard Q.]

if (session_is_registered("variable"))
{
...
}

- Original Message - 
From: "Alex Shi" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, December 20, 2001 11:34 PM
Subject: [PHP] How to check if a session exists


> If a sesson_id is known, how can check if the session exists?
> 
> Alex
> 
> 
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Re: [PHP] How to check if a session exists

[Peter J. Schoenster]

On 20 Dec 2001, at 17:34, Alex Shi wrote:

> If a sesson_id is known, how can check if the session exists?

I think this answers the question (function.session-id.html)

> session_id
> (PHP 4 >= 4.0.0)
> session_id -- Get and/or set the current session id
> Description
> string session_id ([string id])
> session_id() returns the session id for the
>  current session. If id is specified, it
>  will replace the current session id.
> 
> The constant SID can also be used to
>  retrieve the current name and session id as a string suitable for
>  adding to URLs.


Peter

---
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