Re: Last URL

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On Thu, 7 Nov 2002, Steven Lee wrote:

> Dear all:
> 
> I try to write a logging page which can know how the users find my site.
> if by search engine or some banner switch, they must from another site
> (yahoo,xxx.com etc.)
> I try to find it in $HTTP_SERVER_VARS[], seems no, I am not sure.
> Is ther any Possible way that I can know what is the last URL before the
> user get into my site?

Others have mentioned $_server[], I'll just add that you can see all the 
names of the vars you can grab by using either 

phpinfo();

phpinfo gives up lots of various information.  You can use different 
constants with it.  See http://www.php.net/manual/en/function.phpinfo.php
for more info.  

or you can implode the array's keys to get a list like this:

print implode(":",array_keys($_server));

Just replace $_server with a different array and you can see what keys it 
has.  You can use the same trick on multi-dimensional arrays like so:

print implode(":",array_keys($_server['first_key']));




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