original_string: public function writeDrawingRelationships(PHPExcel_Worksheet $pWorksheet = null, &$chartRef, $includeCharts = false)
      {
          // Create XML writer
          $objWriter = null;
          if ($this->getParentWriter()->getUseDiskCaching()) {
              $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
          } else {
              $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_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 PHPExcel_Worksheet_Drawing
                  || $iterator->current() instanceof PHPExcel_Worksheet_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();
      }
code: public function writeDrawingRelationships(PHPExcel_Worksheet $pWorksheet = null, &$chartRef, $includeCharts = false)
      {
          // Create XML writer
          $objWriter = null;
          if ($this->getParentWriter()->getUseDiskCaching()) {
              $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
          } else {
              $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_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 PHPExcel_Worksheet_Drawing
                  || $iterator->current() instanceof PHPExcel_Worksheet_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();
      }
code_tokens: public function writeDrawingRelationships ( PHPExcel_Worksheet $ pWorksheet = null , & $ chartRef , $ includeCharts = false ) { // Create XML writer $ objWriter = null ; if ( $ this -> getParentWriter ( ) -> getUseDiskCaching ( ) ) { $ objWriter = new PHPExcel_Shared_XMLWriter ( PHPExcel_Shared_XMLWriter :: STORAGE_DISK , $ this -> getParentWriter ( ) -> getDiskCachingDirectory ( ) ) ; } else { $ objWriter = new PHPExcel_Shared_XMLWriter ( PHPExcel_Shared_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 PHPExcel_Worksheet_Drawing || $ iterator -> current ( ) instanceof PHPExcel_Worksheet_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 ( ) ; }
docstring: Write drawing relationships to XML format
  
  @param     PHPExcel_Worksheet    $pWorksheet
  @param    int                    &$chartRef        Chart ID
  @param    boolean                $includeCharts    Flag indicating if we should write charts
  @return     string                 XML Output
  @throws     PHPExcel_Writer_Exception
docstring_tokens: Write drawing relationships to XML format