mysql database address

[itgitg]

hey guys, i have to know the address of my mysql database. i have made a database called "lulz" but now i need the address. the tutorial im following gives me the example
$online_db_host = "yourHost ( ex . mysql.domain.com )";
$online_db_name = "yourDatabaseName ( ex . haxior )";
$online_db_user = "yourUser ( user for the database ) ";
$online_db_pass = "yourPass ( password to the database )";

so i know everything (pass/username/database name) exept for the location. can you help me ^^.

[garrettroyce]

host: localhost