<?PHP
/**
 * This example demonstrates the use of
 * mode => simplexml
 *
 * It can be used to serialize an indexed array
 * like ext/simplexml does, by using the name
 * of the parent tag, while omitting this tag.
 *
 * @author Stephan Schmidt <schst@php.net>
 */
error_reporting(E_ALL);

require_once 'XML/Serializer.php';

$options = array(
                    XML_SERIALIZER_OPTION_INDENT       => '    ',
                    XML_SERIALIZER_OPTION_LINEBREAKS   => "\n",
                    XML_SERIALIZER_OPTION_DEFAULT_TAG  => array(),
                    XML_SERIALIZER_OPTION_DEFAULT_TAG  => array('foos' => 'foo', 'bars' => 'bar')
                );

$serializer = new XML_Serializer($options);

$data = array(
                'foos' => array('one foo', 'two foos', 'three foos'),
                'bars' => array('one bar', 'two bars', 'three bars'),
            );

$result = $serializer->serialize($data);

if ($result === true) {
    echo '<pre>';
    echo htmlentities($serializer->getSerializedData());
    echo '</pre>';
}
?>