Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Rels.php
public function writeDrawingRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet, &$chartRef, $includeCharts = false)
    {
        // Create XML writer
        $objWriter = null;
        if ($this->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', 'http://schemas.openxmlformats.org/package/2006/relationships');

        // Loop through images and write relationships
        $i = 1;
        $iterator = $pWorksheet->getDrawingCollection()->getIterator();
        while ($iterator->valid()) {
            if ($iterator->current() instanceof \PhpOffice\PhpSpreadsheet\Worksheet\Drawing
                || $iterator->current() instanceof MemoryDrawing) {
                // Write relationship for image drawing
                $this->writeRelationship(
                    $objWriter,
                    $i,
                    'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
                    '../media/' . str_replace(' ', '', $iterator->current()->getIndexedFilename())
                );
            }

            $iterator->next();
            ++$i;
        }

        if ($includeCharts) {
            // Loop through charts and write relationships
            $chartCount = $pWorksheet->getChartCount();
            if ($chartCount > 0) {
                for ($c = 0; $c < $chartCount; ++$c) {
                    $this->writeRelationship(
                        $objWriter,
                        $i++,
                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart',
                        '../charts/chart' . ++$chartRef . '.xml'
                    );
                }
            }
        }

        $objWriter->endElement();

        return $objWriter->getData();
    }
public function writeDrawingRelationships(\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet, &$chartRef, $includeCharts = false)
    {
        // Create XML writer
        $objWriter = null;
        if ($this->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', 'http://schemas.openxmlformats.org/package/2006/relationships');

        // Loop through images and write relationships
        $i = 1;
        $iterator = $pWorksheet->getDrawingCollection()->getIterator();
        while ($iterator->valid()) {
            if ($iterator->current() instanceof \PhpOffice\PhpSpreadsheet\Worksheet\Drawing
                || $iterator->current() instanceof MemoryDrawing) {
                // Write relationship for image drawing
                $this->writeRelationship(
                    $objWriter,
                    $i,
                    'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image',
                    '../media/' . str_replace(' ', '', $iterator->current()->getIndexedFilename())
                );
            }

            $iterator->next();
            ++$i;
        }

        if ($includeCharts) {
            // Loop through charts and write relationships
            $chartCount = $pWorksheet->getChartCount();
            if ($chartCount > 0) {
                for ($c = 0; $c < $chartCount; ++$c) {
                    $this->writeRelationship(
                        $objWriter,
                        $i++,
                        'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart',
                        '../charts/chart' . ++$chartRef . '.xml'
                    );
                }
            }
        }

        $objWriter->endElement();

        return $objWriter->getData();
    }
public function writeDrawingRelationships ( \ PhpOffice \ PhpSpreadsheet \ Worksheet \ Worksheet $ pWorksheet , & $ chartRef , $ includeCharts = false ) { // Create XML writer $ objWriter = null ; if ( $ this -> 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' , 'http://schemas.openxmlformats.org/package/2006/relationships' ) ; // Loop through images and write relationships $ i = 1 ; $ iterator = $ pWorksheet -> getDrawingCollection ( ) -> getIterator ( ) ; while ( $ iterator -> valid ( ) ) { if ( $ iterator -> current ( ) instanceof \ PhpOffice \ PhpSpreadsheet \ Worksheet \ Drawing || $ iterator -> current ( ) instanceof MemoryDrawing ) { // Write relationship for image drawing $ this -> writeRelationship ( $ objWriter , $ i , 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image' , '../media/' . str_replace ( ' ' , '' , $ iterator -> current ( ) -> getIndexedFilename ( ) ) ) ; } $ iterator -> next ( ) ; ++ $ i ; } if ( $ includeCharts ) { // Loop through charts and write relationships $ chartCount = $ pWorksheet -> getChartCount ( ) ; if ( $ chartCount > 0 ) { for ( $ c = 0 ; $ c < $ chartCount ; ++ $ c ) { $ this -> writeRelationship ( $ objWriter , $ i ++ , 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart' , '../charts/chart' . ++ $ chartRef . '.xml' ) ; } } } $ objWriter -> endElement ( ) ; return $ objWriter -> getData ( ) ; }
Write drawing relationships to XML format.

@param \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet $pWorksheet
@param int &$chartRef Chart ID
@param bool $includeCharts Flag indicating if we should write charts

@throws WriterException

@return string XML Output
Write drawing relationships to XML format .