19:45:13 Create new PHPExcel object<br />19:45:13 Set document properties<br />19:45:13 Add some data<br />19:45:13 Rename worksheet<br />19:45:13 Clone worksheet<br />19:45:13 Rename cloned worksheet<br />19:45:13 Write to Excel2007 format<br />19:45:13 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0324 seconds<br />19:45:13 Current memory usage: 2 MB<br />19:45:13 Peak memory usage: 2 MB<br />19:45:13 Done writing files<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />