16:15:24 Create new PHPExcel object<br />16:15:24 Set document properties<br />16:15:24 Add some data<br />16:15:24 Rename worksheet<br />16:15:24 Clone worksheet<br />16:15:24 Rename cloned worksheet<br />16:15:24 Write to Excel2007 format<br />16:15:24 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0076 seconds<br />16:15:24 Current memory usage: 4 MB<br />16:15:24 Peak memory usage: 4 MB<br />16:15:24 Done writing files<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />