function search()
{
// load Zend classes
require_once 'Zend/Loader.php';
Zend_Loader::loadClass('Zend_Rest_Client');
// define category prefix
$prefix = 'hollywood';
// initialize REST client
$wikipedia = new Zend_Rest_Client('http://en.wikipedia.org/w/api.php');
// set query parameters
$wikipedia->action('query');
$wikipedia->list('allcategories');
//All list queries return a limited number of results.
$wikipedia->acprefix($prefix);
$wikipedia->format('xml');
// perform request and iterate over XML result set
$result = $wikipedia->get();
//echo "<ol>";
foreach ($result->query->allcategories->c as $c) {
//<a href="http://www.wikipedia.org/wiki/Category:
echo $c . "<br>";
}
}