getParentWriter()->getUseDiskCaching()) { $objWriter = new XMLWriter(XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory()); } else { $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY); } // XML header $objWriter->startDocument('1.0', 'UTF-8', 'yes'); // Relationships $objWriter->startElement('Relationships'); $objWriter->writeAttribute('xmlns', Namespaces::RELATIONSHIPS); $localRels = $spreadsheet->getRibbonBinObjects('names'); if (is_array($localRels)) { foreach ($localRels as $aId => $aTarget) { $objWriter->startElement('Relationship'); $objWriter->writeAttribute('Id', $aId); $objWriter->writeAttribute('Type', Namespaces::IMAGE); $objWriter->writeAttribute('Target', $aTarget); $objWriter->endElement(); } } $objWriter->endElement(); return $objWriter->getData(); } }