22:59:09 Create new PHPExcel object<br />22:59:09 Set document properties<br />22:59:09 Add some data<br />22:59:09 Rename worksheet<br />22:59:09 Clone worksheet<br />22:59:09 Rename cloned worksheet<br />22:59:09 Write to Excel2007 format<br />22:59:09 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0021 seconds<br />22:59:09 Current memory usage: 1.75 MB<br />22:59:09 Peak memory usage: 1.75 MB<br />22:59:09 Done writing files<br />File has been created in /var/www/nsst/vendor/phpoffice/phpexcel/Examples<br />