private function getSerializers()
{
$serializer = array();
if (extension_loaded('xmlrpc')) {
$serializer[] = new fXmlRpc\Serializer\NativeSerializer();
}
if ($this->extensionEnabled('nil')) {
$xmlWriterSerializer = new fXmlRpc\Serializer\XmlWriterSerializer();
$xmlWriterSerializer->enableExtension('nil');
$serializer[] = $xmlWriterSerializer;
}
$xmlWriterNilExtensionDisabled = new fXmlRpc\Serializer\XmlWriterSerializer();
$xmlWriterNilExtensionDisabled->disableExtension('nil');
$serializer[] = $xmlWriterNilExtensionDisabled;
return $serializer;
}