19:51:57 Create new PHPExcel object<br />19:51:57 Set document properties<br />19:51:57 Add some data<br />19:51:57 Rename worksheet<br />19:51:57 Clone worksheet<br />19:51:57 Rename cloned worksheet<br />19:51:57 Write to Excel2007 format<br />19:51:57 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0054 seconds<br />19:51:57 Current memory usage: 2 MB<br />19:51:57 Peak memory usage: 2 MB<br />19:51:57 Done writing files<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />