> When I use the variable it shows the numbers like 192.168.10.25 (I know this
> is an internal network address, it is just for example.)

Use $_SERVER['REMOTE_HOST'] to get the hostname instead of the IP
address. This will only work if Apache has HostNameLookups enabled.

See:

http://uk.php.net/manual/en/reserved.variables.php#reserved.variables.server

for more details.

Be aware that this will still show the IP address for people like
myself who don't have reverse DNS enabled and also you will be making
at least one lookup request for each page request - hence why it is
disabled by default in Apache (see the comments in httpd.conf for more
information). Only enable it if you *really* need it.

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