01:29:48 Create new PHPExcel object<br />01:29:48 Set document properties<br />01:29:48 Add some data<br />01:29:48 Rename worksheet<br />01:29:48 Clone worksheet<br />01:29:48 Rename cloned worksheet<br />01:29:48 Write to Excel2007 format<br />01:29:48 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0154 seconds<br />01:29:48 Current memory usage: 2 MB<br />01:29:48 Peak memory usage: 2 MB<br />01:29:48 Done writing files<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />