gistfile1.aw

<?php

// this is right

if(isset($_SESSION['oauth_access_token'])) {
  $client->setAccessToken($_SESSION['oauth_access_token']);
} else {
  $token = $client->authenticate();
  $_SESSION['oauth_access_token'] = $token;
}

// this is wrong

if(isset($_SESSION['oauth_access_token'])) {
  $client->setAccessToken($_SESSION['oauth_access_token']);
} else {
  $token = $client->authenticate();
  // rather than set the token as $token, i call authenticate a second time, which makes it think i want to re-auth
  $_SESSION['oauth_access_token'] = $client->authenticate();
}