unable to connect to mySQL Db
<?php
echo "Hello World n";

$mysql_host = "MySQL Host"; // this is what specified to use in mySQL management page at my host
$mysql_database = "mysql_database";
$mysql_user = "mysql_user";
$mysql_password = "mysql_password";

echo $mysql_host;

$conn = mysql_connect($mysql_host, $mysql_user, $mysql_password);
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db($mysql_database);

if (!$db_selected) {
die ('Can't use '.$mysql_database.' : ' . mysql_error());
}
?>

$mysql_host = "MySQL Host";