function toXML(&$writer)
{
$writer->xmlStartTag('TaxonPath');
$writer->xmlElement('Source', array('Language' => $this->getSourceLanguageCode() ? $this->getSourceLanguageCode() : 'en'), $this->getSource());
// Taxon
$taxs = $this->getTaxonIds();
foreach ($taxs as $id) {
$tax =& $this->getTaxon($id);
$tax->toXML($writer);
}
if (!count($taxs)) {
include_once 'Services/MetaData/classes/class.ilMDTaxon.php';
$tax = new ilMDTaxon($this->getRBACId(), $this->getObjId());
$tax->toXML($writer);
}
$writer->xmlEndTag('TaxonPath');
}
