<?
$clientLibraryPath = "../zend/library";
$oldPath = set_include_path(get_include_path() . PATH_SEPARATOR . $clientLibraryPath);

require_once 'Zend/Loader.php'; // the Zend dir must be in your include_path
Zend_Loader::loadClass('Zend_Gdata_YouTube');
$yt = new Zend_Gdata_YouTube();
$yt->setMajorProtocolVersion(2);