publishUrl; } /** * The xmlSerialize method is called during xml writing. * * Use the $writer argument to write its own xml serialization. * * An important note: do _not_ create a parent element. Any element * implementing XmlSerializble should only ever write what's considered * its 'inner xml'. * * The parent of the current element is responsible for writing a * containing element. * * This allows serializers to be re-used for different element names. * * If you are opening new elements, you must also close them again. * * @param Writer $writer * @return void */ public function xmlSerialize(Writer $writer) { if (!$this->isPublished) { // for pre-publish-url $writer->write($this->publishUrl); } else { // for publish-url $writer->writeElement('{DAV:}href', $this->publishUrl); } } }