<?php

require 'app/TwitterOAuthHelper.php';
$helper = new TwitterOAuthHelper();
if ($user_info = $helper->signedIn()) {
    //echo '<pre>' . print_r($user_info, true) . '</pre>'
    ?>
	<p>Logged in as <b><?php 
    echo $user_info->name;
    ?>
</b> <a href="logout.php">Logout</a></p>
	<img src="<?php 
    echo $user_info->profile_image_url;
    ?>
" alt="">
<?php 
} else {
    ?>
	<a href="<?php 
    echo $helper->getAuthUrl();
    ?>
">Sign in with Twitter</a>
<?php 
}
<?php

require 'app/TwitterOAuthHelper.php';
if (!empty($_GET['oauth_token']) && !empty($_SESSION['oauth_token']) && !empty($_SESSION['oauth_token_secret'])) {
    $_SESSION['twitter_access_token'] = TwitterOAuthHelper::getAccessToken();
    header('Location: /');
    //index.php
} else {
    header('Location: /');
}