08:48:17 Create new PHPExcel object<br />08:48:17 Set document properties<br />08:48:17 Add some data<br />08:48:17 Rename worksheet<br />08:48:17 Clone worksheet<br />08:48:17 Rename cloned worksheet<br />08:48:17 Write to Excel2007 format<br />08:48:17 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0113 seconds<br />08:48:17 Current memory usage: 2 MB<br />08:48:17 Peak memory usage: 2 MB<br />08:48:17 Done writing files<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />