A Session is stored on the user browser in a session ( in memory
cookie) and on the server as a file. The session mgmt tools will read
the file as needed.
Bastien
Sent from my iPod
On Feb 7, 2009, at 1:58, Paul M Foster <paulf@xxxxxxxxxxxxxxxxx> wrote:
I'm not too clear on HTTP headers, cookies, and such. So here are
questions related to that. Let's say I generate a random number that I
want the user to enter in a form. When I generate the number, I
store it
in a session variable ($_SESSION). When the user submits the form, I
check the number they enter with what I've stored in the session
variable.
Since this session variable survives across page loads (assuming
session_start() is appropriately called), how is it stored and
recalled?
Is it automatically stored as a cookie on the user's system?
Or is it stored on the server?
And how does a server "get" a cookie?
Is it a separate request made by the server to the client?
If the value I've asked the user for is *not* stored as a cookie, then
is it passed as part of the HTTP submission or what?
Thanks for any enlightenment on this.
Paul
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Paul M. Foster
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