// Endpunkt für die Aufrufe
$client = new XmlrpcClient('http://blar.wordpress.com/xmlrpc.php');

// Namespace für die Methodenaufrufe festlegen
$client->setNamespace('system');

// Method aufrufen ("system.listMethods")
$response = $client->listMethods();

$client = new XmlrpcClient('http://blar.wordpress.com/xmlrpc.php');
$client->setNamespace('blogger');
$postId = $client->newPost(NULL, NULL, $userName, $password, 'Hello World', false);

$client = new XmlrpcClient('http://blar.wordpress.com/xmlrpc.php');
$client->setNamespace('metaWeblog');
$content = array(
    'title' => 'foo',
    'description' => 'bar',
    'dateCreated => new DateTime('2014-09-29 13:37')
);
$postId = $client->newPost(NULL, $userName, $password, $content, false);

$server = new XmlrpcServer();
$server->registerMethod('blogger.getRecentPosts', function() {
    return array(
        array(
            'postid' => 1,
            'user_id' => 1,
            'dateCreated' => new DateTime(),
            'content' => 'foobar 1'
        ),
        array(
            'postid' => 2,
            'user_id' => 1,
            'dateCreated' => new DateTime(),
            'content' => 'foobar 2'
        )
    );
});
echo $server->execute();

$server = new XmlrpcServer();
$server->registerMethod('blogger.getRecentPosts', function() {
    throw new Exception('foo bar', 1337);
});
echo $server->execute();