Google APIs Client Library for PHP
  =====================================
  
  == Description
  The Google API Client Library enables you to work with Google APIs such as Google+, Drive, Tasks, or Latitude on your server.
  
  Requirements:
    PHP 5.2.x or higher [http://www.php.net/]
    PHP Curl extension [http://www.php.net/manual/en/intro.curl.php]
    PHP JSON extension [http://php.net/manual/en/book.json.php]
  
  Project page:
    http://code.google.com/p/google-api-php-client
  
  OAuth 2 instructions:
    http://code.google.com/p/google-api-php-client/wiki/OAuth2
  
  Report a defect or feature request here:
    http://code.google.com/p/google-api-php-client/issues/entry
  
  Subscribe to project updates in your feed reader:
    http://code.google.com/feeds/p/google-api-php-client/updates/basic
  
  Supported sample applications:
    http://code.google.com/p/google-api-php-client/wiki/Samples
  
  == Basic Example
    <?php
    require_once 'path/to/src/Google_Client.php';
    require_once 'path/to/src/contrib/apiBooksService.php';
  
    $client = new Google_Client();
    $service = new Google_BooksService($client);
  
    $optParams = array('filter' => 'free-ebooks');
    $results = $service->volumes->listVolumes('Henry David Thoreau', $optParams);
  
    foreach ($results['items'] as $item) {
      print($item['volumeInfo']['title'] . '<br>');
    }