gistfile1.php

<?php 
$client = new Google_Client();
$client->setApplicationName("Oyster+");
$client->setClientId('YOUR_CLIENT_ID_HERE');
$client->setClientSecret('YOUR_CLIENT_SECRET_HERE');
$client->setRedirectUri('http://localhost:8080/oyster');
$client->setDeveloperKey('YOUR_DEVELOPER_KEY');
$client->setScopes(array('https://www.googleapis.com/auth/plus.me', 'https://www.googleapis.com/auth/plus.moments.write'));