$v1 = php_xmlrpc_encode($data, array('auto_dates'));
$v2 = php_xmlrpc_decode_xml($v1->serialize());
$this->assertEquals($v1, $v2);
$v1 = php_xmlrpc_encode($data, array('auto_dates'));
$v2 = php_xmlrpc_decode_xml($v1->serialize());
$this->assertEquals($v1, $v2);