08:39:18 Create new PHPExcel object<br />08:39:18 Set document properties<br />08:39:18 Add some data<br />08:39:18 Rename worksheet<br />08:39:18 Clone worksheet<br />08:39:18 Rename cloned worksheet<br />08:39:18 Write to Excel2007 format<br />08:39:18 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0021 seconds<br />08:39:18 Current memory usage: 1.75 MB<br />08:39:18 Peak memory usage: 1.75 MB<br />08:39:18 Done writing files<br />File has been created in /var/www/nsst/vendor/phpoffice/phpexcel/Examples<br />