21:30:40 Create new PHPExcel object<br />21:30:40 Set document properties<br />21:30:40 Add some data<br />21:30:40 Rename worksheet<br />21:30:40 Clone worksheet<br />21:30:40 Rename cloned worksheet<br />21:30:40 Write to Excel2007 format<br />21:30:40 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0047 seconds<br />21:30:40 Current memory usage: 2 MB<br />21:30:40 Peak memory usage: 2 MB<br />21:30:40 Done writing files<br />File has been created in /home/myitalianu/itdepartment/vendor/phpoffice/phpexcel/Examples<br />