PHP Get user IP Address
From JumbaWiki
You often want to get a user's IP Address for some form of semi-unique identification.
To display it on the page you can use this code:
<?php echo $_SERVER["REMOTE_ADDR"] ?>
To use it as a variable so you can use it in other scripts,
<?php $Users_IP_address = $_SERVER["REMOTE_ADDR"] ?>
If the user is operating via a proxy server, the above code may not work. In this case use this simple function:
<?php function VisitorIP() { if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) $TheIp=$_SERVER['HTTP_X_FORWARDED_FOR']; else $TheIp=$_SERVER['REMOTE_ADDR']; return trim($TheIp); } ?>
Then set your variable like this:
<?php $Users_IP_address = VisitorIP(); ?>
