22:10:15 Create new PHPExcel object<br />22:10:15 Set document properties<br />22:10:15 Add some data<br />22:10:15 Rename worksheet<br />22:10:15 Clone worksheet<br />22:10:15 Rename cloned worksheet<br />22:10:15 Write to Excel2007 format<br />22:10:15 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0153 seconds<br />22:10:15 Current memory usage: 5.25 MB<br />22:10:15 Peak memory usage: 5.25 MB<br />22:10:15 Done writing files<br />File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples<br />