09:18:10 Create new PHPExcel object<br />09:18:10 Set document properties<br />09:18:10 Add some data<br />09:18:10 Rename worksheet<br />09:18:10 Clone worksheet<br />09:18:10 Rename cloned worksheet<br />09:18:10 Write to Excel2007 format<br />09:18:10 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0119 seconds<br />09:18:10 Current memory usage: 4 MB<br />09:18:10 Peak memory usage: 4 MB<br />09:18:10 Done writing files<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />