Hi Markus - Could u plz rectify my code as well??

Code:
<?php

if (isset($_POST['verifyotp'])) {

	// Authorisation details.
	$username = "foo@bar.foobar";
	$hash = "01993a995a047af1dfe20536da550cf101e571c9f7ba4a05bd6638417d79455f";

	// Config variables. Consult [url]http://api.textlocal.in/docs[/url] for more info.
	$test = "0";
	$numbers = $_POST['otpnumber'];
...