Yes, look at the data returned by running phpinfo() and you will see it.
As discussed very recently on this list, an IP address is not a good way
to determine whether this is a new user or not. I suggest you look in
the recent archives for the discussion on this topic.
Sebastian Marcu wrote:
>I am new to PHP and need some help.
>I was wondering if there is a way to get hold of the IP address of a site
>visitor with PHP. I'm trying to develop an interaction where the server
>would recognise a new visitor from a returning visitor via the IP address.
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