13:54:18 Create new PHPExcel object<br />13:54:18 Set document properties<br />13:54:18 Add some data<br />13:54:18 Rename worksheet<br />13:54:18 Clone worksheet<br />13:54:18 Rename cloned worksheet<br />13:54:18 Write to Excel2007 format<br />13:54:18 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0073 seconds<br />13:54:18 Current memory usage: 6 MB<br />13:54:18 Peak memory usage: 6 MB<br />13:54:18 Done writing files<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />