config.php

<?php
define ('CONSUMER_KEY', '__________');
define ('CONSUMER_SECRET', '__________');
define ('ACCESS_TOKEN', '__________');
define ('ACCESS_TOKEN_SECRET', '__________');

test.php

<?php

require 'config.php';
require 'oauthdamnit.php';

$api = new OAuthDamnit(CONSUMER_KEY, CONSUMER_SECRET, ACCESS_TOKEN, ACCESS_TOKEN_SECRET);

$raw = $api->get('http://api.twitter.com/1/account/verify_credentials.json');
$response = @json_decode($raw, true);
print_r ($response);