18:09:10 Create new PHPExcel object<br />18:09:10 Set document properties<br />18:09:10 Add some data<br />18:09:10 Rename worksheet<br />18:09:10 Clone worksheet<br />18:09:10 Rename cloned worksheet<br />18:09:10 Write to Excel2007 format<br />18:09:10 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0282 seconds<br />18:09:10 Current memory usage: 5.25 MB<br />18:09:10 Peak memory usage: 5.25 MB<br />18:09:10 Done writing files<br />File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples<br />