Login with Twitter using PHP

In this article i will explain you how to implement login and registration with twitter using PHP.

first go to the Application Management page and login with your Twitter account.

Add application details like name, description, website and callback url.

Once Twitter App creation is completed you will get the Consumer key and Consumer secret. Note this Consumer key and Consumer secret for the implementation in the PHP script.

Download Twitter oAuth libraby by clicking here

Create a "config.php" file

session_start();
// Include Twitter Auth library
require_once('Twitter/twitteroauth.php'); 

$ConsumerKey = 'CONSUMER-KEY';
$ConsumerSecretKey = 'CONSUMER-SECRET-KEY';
$RedirectUrl = 'REDIRECT-URL';

Create a "index.php" file

require_once 'config.php';

$twitter_auth = new TwitterOAuth($ConsumerKey, $ConsumerSecretKey);
$twitter_token = $twitter_auth->getRequestToken($RedirectUrl);
$twitterAuthURL="";
$_SESSION['oauth_token'] = $request_token['oauth_token'];
$_SESSION['oauth_token_secret'] = $request_token['oauth_token_secret'];

if($twitter_auth->http_code == '200'){
	$authentication = $twitter_auth->getAuthorizeURL($twitter_token['oauth_token']);
	$twitterAuthURL=filter_var($authentication, FILTER_SANITIZE_URL);
}else{
	echo  '
Error connecting to twitter!
';
	die();
}

<a href="<?php echo $twitterAuthURL; ?>">Login & Registration With Twitter</a>

Create a "result.php" file

require_once 'config.php';

$twitterAuth = new TwitterOAuth($ConsumerKey, $ConsumerSecretKey, $_SESSION['oauth_token'] , $_SESSION['oauth_token_secret']);
$accessToken = $twitterAuth->getAccessToken($_REQUEST['oauth_verifier']);
if($twitterAuth->http_code == '200'){
	$userInfo = $twitterAuth->get('account/verify_credentials');
	echo json_encode($userInfo);
	exit();
}