<?php
$username = "username";
$password = "password";
$hostname = "hostname";
$dbname = "dbname";

//connection to the database
$dbhandle = mysql_connect($hostname, $username, $password) or die("Unable to connect to MySQL");
echo "Connected to MySQL using username - $username, password - $password, host - $hostname<br>";
$selected = mysql_select_db("$dbname",$dbhandle)   or die("Unable to connect to MySQL DB - check the database name and try again.");
?>