02:09:03 Create new PHPExcel object<br />02:09:03 Set document properties<br />02:09:03 Add some data<br />02:09:03 Rename worksheet<br />02:09:03 Clone worksheet<br />02:09:03 Rename cloned worksheet<br />02:09:03 Write to Excel2007 format<br />02:09:03 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0020 seconds<br />02:09:03 Current memory usage: 1.75 MB<br />02:09:03 Peak memory usage: 1.75 MB<br />02:09:03 Done writing files<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />