12:32:43 Create new PHPExcel object<br />12:32:43 Set document properties<br />12:32:43 Add some data<br />12:32:43 Rename worksheet<br />12:32:43 Clone worksheet<br />12:32:43 Rename cloned worksheet<br />12:32:43 Write to Excel2007 format<br />12:32:43 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0077 seconds<br />12:32:43 Current memory usage: 4 MB<br />12:32:43 Peak memory usage: 4 MB<br />12:32:43 Done writing files<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />