08:29:31 Create new PHPExcel object<br />08:29:31 Set document properties<br />08:29:31 Add some data<br />08:29:31 Rename worksheet<br />08:29:31 Clone worksheet<br />08:29:31 Rename cloned worksheet<br />08:29:31 Write to Excel2007 format<br />08:29:31 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0164 seconds<br />08:29:31 Current memory usage: 2 MB<br />08:29:31 Peak memory usage: 2 MB<br />08:29:31 Done writing files<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />