PHP Extension Requires Chilkat v11.0.0+

Twitter - Application Only Authentication

Demonstrates how to get a Twitter OAuth2 token for application-only authentication.

This example is deprecated and no longer valid.

PHP Extension

<?php

include("chilkat.php");

$success = false;

//  It requires the Chilkat API to have been previously unlocked.
//  See Global Unlock Sample for sample code.

//  Note: Define your Twitter apps at https://apps.twitter.com/

//  We're going to send an HTTPS POST that looks like this:

//  POST /oauth2/token HTTP/1.1
//  Host: api.twitter.com
//  User-Agent: My Twitter App v1.0.23
//  Authorization: Basic eHZ6MWV2RlM0d0VFUFRHRUZQSEJvZzpMOHFxOVBaeVJn
//                       NmllS0dFS2hab2xHQzB2SldMdzhpRUo4OERSZHlPZw==
//  Content-Type: application/x-www-form-urlencoded;charset=UTF-8
//  Content-Length: 29
//  Accept-Encoding: gzip
//  
//  grant_type=client_credentials

//  Update these values with your consumer key and secret (also known as API key and API secret).
$consumerKey = 'TWITTER_CONSUMER_KEY';
$consumerSecret = 'TWITTER_CONSUMER_SECRET';

$http = new CkHttp();

$http->put_BasicAuth(true);
$http->put_Login($consumerKey);
$http->put_Password($consumerSecret);

$req = new CkHttpRequest();
$req->AddParam('grant_type','client_credentials');

$req->put_HttpVerb('POST');
$req->put_ContentType('application/x-www-form-urlencoded');

$resp = new CkHttpResponse();
$success = $http->HttpReq('https://api.twitter.com/oauth2/token',$req,$resp);
if ($success == false) {
    print $http->lastErrorText() . "\n";
    exit;
}

print 'Response Status Code: ' . $resp->get_StatusCode() . "\n";

if ($resp->get_StatusCode() != 200) {
    print 'Expected a 200 response status code for success.' . "\n";
    print $resp->bodyStr() . "\n";
    exit;
}

//  We should get a JSON response like this:

//  {
//      "token_type":"bearer",
//      "access_token":"..."
//  }

$json = new CkJsonObject();
$json->Load($resp->bodyStr());

print 'Access token = ' . $json->stringOf('access_token') . "\n";

?>