<?php ini_set('display_errors', 1); include __DIR__ . '/tumblr/vendor/autoload.php'; session_start(); use Tumblr\API\Client as TClient; $consumerKey = $_SESSION['client_id']; $consumerSecret = $_SESSION['client_secret']; $token = $_SESSION['token']; $tokenSecret = $_SESSION['secret']; $client = new TClient($consumerKey, $consumerSecret); $client->setToken($_SESSION['token'], $_SESSION['secret']); session_start(); print_r($client->getUserInfo());