PHP - MYSQL CONNECT PHP 6>

// 1. Create a database connection
$connection = mysqli_connect("127.0.0.1","root","*****");
if (!$connection) {
    die("Database connection failed: " . mysqli_connect_error());
}

// 2. Select a database to use
$db_select = mysqli_select_db($connection, "betfair");
if (!$db_select) {
    die("Database selection failed: " . mysqli_error($connection));
}