13:02:22 Create new PHPExcel object<br />13:02:22 Set document properties<br />13:02:22 Add some data<br />13:02:22 Rename worksheet<br />13:02:22 Clone worksheet<br />13:02:22 Rename cloned worksheet<br />13:02:22 Write to Excel2007 format<br />13:02:22 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0077 seconds<br />13:02:22 Current memory usage: 6 MB<br />13:02:22 Peak memory usage: 6 MB<br />13:02:22 Done writing files<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />