twitter-application-only-auth.php

<?php


define('T_API_KEY', '');
define('T_API_TOKEN', '');


echo get_twitter_lookup_data('ladygaga');

function get_twitter_lookup_data($screen_name)
{
    //These are our constants.
    $api_base = 'https://api.twitter.com/';
    $bearer_token_creds = base64_encode(T_API_KEY . ':' . T_API_TOKEN);

    //Get a bearer token.
    $opts = array('http' => array(
            'method' => 'POST',
            'header' => 'Authorization: Basic ' . $bearer_token_creds . "\r\n" .
                'Content-Type: application/x-www-form-urlencoded;charset=UTF-8',
            'content' => 'grant_type=client_credentials'));

    $context = stream_context_create($opts);
    $json = file_get_contents($api_base . 'oauth2/token', false, $context);
    //echo $json;
    $result = json_decode($json, true);

    if (!is_array($result) || !isset($result['token_type']) || !isset($result['access_token'])) {
        die("Something went wrong. This isn't a valid array: " . $json);
    }

    if ($result['token_type'] !== "bearer") {
        die("Invalid token type. Twitter says we need to make sure this is a bearer.");
    }
    //Set our bearer token. Now issued, this won't ever* change unless it's invalidated by a call to /oauth2/invalidate_token.
    //*probably - it's not documentated that it'll ever change.
    $bearer_token = $result['access_token'];
    //$bearer_token = 'AAAAAAAAAAAAAAAAAAAAANJzLAAAAAAAwT4xEU67OhC%2FnlsNFDltJdMlB7U%3DiQsQKpAvgQ3joiZbodSlzw6COQwuKQYwwvqEJ7YbtZLrZOwPsi';
    //Try a twitter API request now.
    $opts = array('http' => array('method' => 'GET', 'header' =>
                'Authorization: Bearer ' . $bearer_token));

    $context = stream_context_create($opts);
    $json = file_get_contents($api_base . '1.1/users/lookup.json?screen_name=' .
        urlencode($screen_name) . '&include_entities=true', false, $context);
    return ($json);
}


?>