original_string: private function createZip($pFilename)
      {
          // Create new ZIP file and open it for writing
          $zipClass = PHPExcel_Settings::getZipClass();
          $objZip = new $zipClass();
  
          // Retrieve OVERWRITE and CREATE constants from the instantiated zip class
          // This method of accessing constant values from a dynamic class should work with all appropriate versions of PHP
          $ro = new ReflectionObject($objZip);
          $zipOverWrite = $ro->getConstant('OVERWRITE');
          $zipCreate = $ro->getConstant('CREATE');
  
          if (file_exists($pFilename)) {
              unlink($pFilename);
          }
          // Try opening the ZIP file
          if ($objZip->open($pFilename, $zipOverWrite) !== true) {
              if ($objZip->open($pFilename, $zipCreate) !== true) {
                  throw new PHPExcel_Writer_Exception("Could not open $pFilename for writing.");
              }
          }
  
          return $objZip;
      }
code: private function createZip($pFilename)
      {
          // Create new ZIP file and open it for writing
          $zipClass = PHPExcel_Settings::getZipClass();
          $objZip = new $zipClass();
  
          // Retrieve OVERWRITE and CREATE constants from the instantiated zip class
          // This method of accessing constant values from a dynamic class should work with all appropriate versions of PHP
          $ro = new ReflectionObject($objZip);
          $zipOverWrite = $ro->getConstant('OVERWRITE');
          $zipCreate = $ro->getConstant('CREATE');
  
          if (file_exists($pFilename)) {
              unlink($pFilename);
          }
          // Try opening the ZIP file
          if ($objZip->open($pFilename, $zipOverWrite) !== true) {
              if ($objZip->open($pFilename, $zipCreate) !== true) {
                  throw new PHPExcel_Writer_Exception("Could not open $pFilename for writing.");
              }
          }
  
          return $objZip;
      }
code_tokens: private function createZip ( $ pFilename ) { // Create new ZIP file and open it for writing $ zipClass = PHPExcel_Settings :: getZipClass ( ) ; $ objZip = new $ zipClass ( ) ; // Retrieve OVERWRITE and CREATE constants from the instantiated zip class // This method of accessing constant values from a dynamic class should work with all appropriate versions of PHP $ ro = new ReflectionObject ( $ objZip ) ; $ zipOverWrite = $ ro -> getConstant ( 'OVERWRITE' ) ; $ zipCreate = $ ro -> getConstant ( 'CREATE' ) ; if ( file_exists ( $ pFilename ) ) { unlink ( $ pFilename ) ; } // Try opening the ZIP file if ( $ objZip -> open ( $ pFilename , $ zipOverWrite ) !== true ) { if ( $ objZip -> open ( $ pFilename , $ zipCreate ) !== true ) { throw new PHPExcel_Writer_Exception ( "Could not open $pFilename for writing." ) ; } } return $ objZip ; }
docstring: Create zip object
  
  @param string $pFilename
  @throws PHPExcel_Writer_Exception
  @return ZipArchive
docstring_tokens: Create zip object