gistfile1.txt

<?php 

require "TwitterAPIExchange.php";

$settings = array(
    'oauth_access_token' => "<ACCESS_TOKEN>",
    'oauth_access_token_secret' =>  "<ACCESS_TOKEN_SECRET>",
    'consumer_key' =>  "<CONSUMER_KEY>",
    'consumer_secret' =>  "<CONSUMER_SECRET>",
);

$url = 'https://api.twitter.com/1.1/statuses/user_timeline.json';
$getfield = '?screen_name=joeyhipolito_&count=1';
$requestMethod = 'GET';

$twitter = new TwitterAPIExchange($settings);
$response = $twitter->setGetfield($getfield)
    ->buildOauth($url, $requestMethod)
    ->performRequest();

echo $response;