22:05:19 Create new PHPExcel object<br />22:05:19 Set document properties<br />22:05:19 Add some data<br />22:05:19 Rename worksheet<br />22:05:19 Clone worksheet<br />22:05:19 Rename cloned worksheet<br />22:05:19 Write to Excel2007 format<br />22:05:19 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0324 seconds<br />22:05:19 Current memory usage: 2 MB<br />22:05:19 Peak memory usage: 2 MB<br />22:05:19 Done writing files<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />