On Mon, 13 Dec 2004 14:09:02 -0800, Tony Di Croce <[EMAIL PROTECTED]> wrote:
> I just started using PHP a week or so ago... And everything is coming
> along great...

Awesome, welcome to the club.  :)

> But I have some general question about sessions...
> Actually, about PHP's built in session support.
> 
> Do I need to call session_start() in every script that needs access to
> $_SESSION[]?

Yup.  I place the call in my config.php file that I include in all my
other PHP files.

> I think I would like to store a user id in my $_SESSION[] global. If
> this variable is set, I will consider this session "logged in". Is
> their a secure way to do this?

That's pretty much how I do it.  User's who are not logged in have a
$_SESSION['userid'] equal to zero.  Logged-in users have their userid
set as it exists in the table of users.

> I would like to have at least an outline of how this works in my head,
> so tell me if I am wrong in any of this:
> 
> When session_start() is called, this function sets a cookie in this
> browser with a unique value that is bound to a set of globals (IE, the
> contents of $_SESSION[]). When subsequent HTTP requests have this
> cookie attached, the correct set of $_SESSION[] variables is loaded...
> Everything right?

Yup.

There are ways to encrypt you PHP sessions if you need such functionality.


-- 
Greg Donald
Zend Certified Engineer
http://gdconsultants.com/
http://destiney.com/

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