How to create an empty spreadsheet using Zend GData

How to create a new, empty spreadsheet using Zends GData Library?

According to the Google Documents List API, to create a new, empty spreadsheet: follow the instructions in Creating a new document or file with metadata only. When doing so, use a category term of http://schemas.google.com/docs/2007#spreadsheet.

With Zend GData library, it may look like this:

// Load Zend library
require_once('Zend/Loader.php');
Zend_Loader::loadClass('Zend_Gdata');
Zend_Loader::loadClass('Zend_Gdata_ClientLogin');
Zend_Loader::loadClass('Zend_Gdata_Docs');

// Authentication
$client = Zend_Gdata_ClientLogin::getHttpClient('you@there.com', 'sunshine-', Zend_Gdata_Docs::AUTH_SERVICE_NAME);

// Get interface to Documents List API
$docs = new Zend_Gdata_Docs($client);

// Create new document
$data = new Zend_Gdata_Docs_DocumentListEntry();
$data->setCategory(
      array(new Zend_Gdata_App_Extension_Category(
              "http://schemas.google.com/docs/2007#spreadsheet",
              "http://schemas.google.com/g/2005#kind"
)));
$data->setTitle(new Zend_Gdata_App_Extension_Title("My brand new spreadsheet", null));

// Add document to your list
$doc = $docs->insertDocument($data, Zend_Gdata_Docs::DOCUMENTS_LIST_FEED_URI);

// Display document ID
print($doc->getId());