21:37:45 Create new PHPExcel object<br />21:37:45 Set document properties<br />21:37:45 Add some data<br />21:37:45 Rename worksheet<br />21:37:45 Clone worksheet<br />21:37:45 Rename cloned worksheet<br />21:37:45 Write to Excel2007 format<br />21:37:45 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0019 seconds<br />21:37:45 Current memory usage: 2 MB<br />21:37:45 Peak memory usage: 2 MB<br />21:37:45 Done writing files<br />File has been created in /var/www/html/advancia_ci/vendor/phpoffice/phpexcel/Examples<br />