PhpOffice\PhpPresentation\Writer\PowerPoint2007\PptSlideMasters::writeSlideMasterRelationships PHP Method

    public function writeSlideMasterRelationships(SlideMaster $oMasterSlide)
    {
        // Create XML writer
        $objWriter = new XMLWriter(XMLWriter::STORAGE_MEMORY);
        // XML header
        $objWriter->startDocument('1.0', 'UTF-8', 'yes');
        // Relationships
        $objWriter->startElement('Relationships');
        $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');
        // Starting relation id
        $relId = 0;
        // Write all the relations to the Layout Slides
        foreach ($oMasterSlide->getAllSlideLayouts() as $slideLayout) {
            $this->writeRelationship($objWriter, ++$relId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout', '../slideLayouts/slideLayout' . $slideLayout->layoutNr . '.xml');
            // Save the used relationId
            $slideLayout->relationId = 'rId' . $relId;
        }
        // Write drawing relationships?
        $this->writeDrawingRelations($oMasterSlide, $objWriter, $relId);
        // TODO: Write hyperlink relationships?
        // TODO: Write comment relationships
        // Relationship theme/theme1.xml
        $this->writeRelationship($objWriter, ++$relId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme', '../theme/theme' . $oMasterSlide->getRelsIndex() . '.xml');
        $objWriter->endElement();
        // Return
        return $objWriter->getData();
    }