> I'm not sure how off-topic this may be, but I'll carry on anyway...
'Sokay, I'll force it back on-topic :-)
> sent back to the page. Before now, I have cookies and IP address for user
> tracking. If someone could accept a cookie (I used a self-referring script
to
Use PHP4's builtin session support. Save your hair.
It will use cookies for users that accept cookies, and munge your URLs and
FORMs automagically for users that don't accept cookies.
> With IP addresses, you can't record return visits, so it just tracks one
visit.
> With some ISP's they seam to use variying IP addresses, so then each page
Yes. Large ISPs shuffle client IP's addresses regularly.
Also, users behind firewalls/proxies will be sharing a single IP.
You don't want to use IP for user identification. It doesn't work.
It's also spoofable by hackers, or so the experts tell me.
> What I would like to do now is track the user with the URL. When someone
calls
> the site, (ether through the front door, or sent back to get an ID), they
are
> given an ID like so: 'KjsiHdbEyu8G645Dus96Sy54GD'. They are then sent to
say,
> http://localhost/KjsiHdbEyu8G645Dus96Sy54GD/home.
>
> Using mod_rewrite, I can then get the tracking var
(KjsiHdbEyu8G645Dus96Sy54GD),
> and rewrite the URL to http://localhost/home, and call the script. I know
this
> is possible. Something like /^\/([a-zA-Z0-9]{80})\/(.*)/$1?$2/ could work
for
> the rewrite rule, but rather than use $HTTP_SERVER_VARS["QUERY_STRING"] to
get
> the var, as I use a GET vars for some functions, could I get a var which
is sent
> to Apache, and then PHP accesses the var from there, and the rest is as
normal?
Use http://localhost/home/KjsiHdbEyu8G645Dus96Sy54GD/ instead.
(IE, swap the userid/file to file/userid)
Throw <?php phpinfo();?> in "home", and you'll see at least one variable you
can tear apart with Regex (or explode, even easier) to get the userid.
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