[Tutorial] How to grab IP adress with PHP

[Win]

This is a good way of recording their IP into an SQL database, along with their username:

PHP Code:

if((isset([action]))) {
        $sql2="INSERT INTO [table] (username, ip) VALUES ('$_SESSION[SESS_LOGIN]','$_SERVER[REMOTE_ADDR]')";
        mysql_query($sql2);
        }