$serverName = "tcp:ServerID.database.windows.net, 1433";

$connectionOptions = array("Database" => "DatabaseName", 

                           "UID" => "Username@ServerID",

                           "PWD" => "password");

$conn = sqlsrv_connect($serverName, $connectionOptions);



if($conn === false)

{

    die(print_r(sqlsrv_errors(), true));