original_string: public function createContentFile($worksheets, $styleHelper)
      {
          $contentXmlFileContents = <<<EOD
  <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
  <office:document-content office:version="1.2" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:calcext="urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:msoxl="http://schemas.microsoft.com/office/excel/formula" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:xlink="http://www.w3.org/1999/xlink">
  EOD;
  
          $contentXmlFileContents .= $styleHelper->getContentXmlFontFaceSectionContent();
          $contentXmlFileContents .= $styleHelper->getContentXmlAutomaticStylesSectionContent(count($worksheets));
  
          $contentXmlFileContents .= '<office:body><office:spreadsheet>';
  
          $this->createFileWithContents($this->rootFolder, self::CONTENT_XML_FILE_NAME, $contentXmlFileContents);
  
          // Append sheets content to "content.xml"
          $contentXmlFilePath = $this->rootFolder . '/' . self::CONTENT_XML_FILE_NAME;
          $contentXmlHandle = fopen($contentXmlFilePath, 'a');
  
          foreach ($worksheets as $worksheet) {
              // write the "<table:table>" node, with the final sheet's name
              fwrite($contentXmlHandle, $worksheet->getTableElementStartAsString());
  
              $worksheetFilePath = $worksheet->getWorksheetFilePath();
              $this->copyFileContentsToTarget($worksheetFilePath, $contentXmlHandle);
  
              fwrite($contentXmlHandle, '</table:table>');
          }
  
          $contentXmlFileContents = '</office:spreadsheet></office:body></office:document-content>';
  
          fwrite($contentXmlHandle, $contentXmlFileContents);
          fclose($contentXmlHandle);
  
          return $this;
      }
code: public function createContentFile($worksheets, $styleHelper)
      {
          $contentXmlFileContents = <<<EOD
  <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
  <office:document-content office:version="1.2" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:calcext="urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:msoxl="http://schemas.microsoft.com/office/excel/formula" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:xlink="http://www.w3.org/1999/xlink">
  EOD;
  
          $contentXmlFileContents .= $styleHelper->getContentXmlFontFaceSectionContent();
          $contentXmlFileContents .= $styleHelper->getContentXmlAutomaticStylesSectionContent(count($worksheets));
  
          $contentXmlFileContents .= '<office:body><office:spreadsheet>';
  
          $this->createFileWithContents($this->rootFolder, self::CONTENT_XML_FILE_NAME, $contentXmlFileContents);
  
          // Append sheets content to "content.xml"
          $contentXmlFilePath = $this->rootFolder . '/' . self::CONTENT_XML_FILE_NAME;
          $contentXmlHandle = fopen($contentXmlFilePath, 'a');
  
          foreach ($worksheets as $worksheet) {
              // write the "<table:table>" node, with the final sheet's name
              fwrite($contentXmlHandle, $worksheet->getTableElementStartAsString());
  
              $worksheetFilePath = $worksheet->getWorksheetFilePath();
              $this->copyFileContentsToTarget($worksheetFilePath, $contentXmlHandle);
  
              fwrite($contentXmlHandle, '</table:table>');
          }
  
          $contentXmlFileContents = '</office:spreadsheet></office:body></office:document-content>';
  
          fwrite($contentXmlHandle, $contentXmlFileContents);
          fclose($contentXmlHandle);
  
          return $this;
      }
code_tokens: public function createContentFile ( $ worksheets , $ styleHelper ) { $ contentXmlFileContents =  <<<EOD
  <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
  <office:document-content office:version="1.2" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:calcext="urn:org:documentfoundation:names:experimental:calc:xmlns:calcext:1.0" xmlns:draw="urn:oasis:names:tc:opendocument:xmlns:drawing:1.0" xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" xmlns:msoxl="http://schemas.microsoft.com/office/excel/formula" xmlns:number="urn:oasis:names:tc:opendocument:xmlns:datastyle:1.0" xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" xmlns:svg="urn:oasis:names:tc:opendocument:xmlns:svg-compatible:1.0" xmlns:table="urn:oasis:names:tc:opendocument:xmlns:table:1.0" xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0" xmlns:xlink="http://www.w3.org/1999/xlink">
  EOD ; $ contentXmlFileContents .= $ styleHelper -> getContentXmlFontFaceSectionContent ( ) ; $ contentXmlFileContents .= $ styleHelper -> getContentXmlAutomaticStylesSectionContent ( count ( $ worksheets ) ) ; $ contentXmlFileContents .= '<office:body><office:spreadsheet>' ; $ this -> createFileWithContents ( $ this -> rootFolder , self :: CONTENT_XML_FILE_NAME , $ contentXmlFileContents ) ; // Append sheets content to "content.xml" $ contentXmlFilePath = $ this -> rootFolder . '/' . self :: CONTENT_XML_FILE_NAME ; $ contentXmlHandle = fopen ( $ contentXmlFilePath , 'a' ) ; foreach ( $ worksheets as $ worksheet ) { // write the "<table:table>" node, with the final sheet's name fwrite ( $ contentXmlHandle , $ worksheet -> getTableElementStartAsString ( ) ) ; $ worksheetFilePath = $ worksheet -> getWorksheetFilePath ( ) ; $ this -> copyFileContentsToTarget ( $ worksheetFilePath , $ contentXmlHandle ) ; fwrite ( $ contentXmlHandle , '</table:table>' ) ; } $ contentXmlFileContents = '</office:spreadsheet></office:body></office:document-content>' ; fwrite ( $ contentXmlHandle , $ contentXmlFileContents ) ; fclose ( $ contentXmlHandle ) ; return $ this ; }
docstring: Creates the "content.xml" file under the root folder
  
  @param Worksheet[] $worksheets
  @param StyleHelper $styleHelper
  @return FileSystemHelper
docstring_tokens: Creates the content . xml file under the root folder