01:03:05 Create new PHPExcel object<br />01:03:05 Set document properties<br />01:03:05 Add some data<br />01:03:05 Rename worksheet<br />01:03:05 Clone worksheet<br />01:03:05 Rename cloned worksheet<br />01:03:05 Write to Excel2007 format<br />01:03:05 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0049 seconds<br />01:03:05 Current memory usage: 2 MB<br />01:03:05 Peak memory usage: 2 MB<br />01:03:05 Done writing files<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />