08:17:01 Create new PHPExcel object<br />08:17:01 Set document properties<br />08:17:01 Add some data<br />08:17:01 Rename worksheet<br />08:17:01 Clone worksheet<br />08:17:01 Rename cloned worksheet<br />08:17:01 Write to Excel2007 format<br />08:17:01 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0036 seconds<br />08:17:01 Current memory usage: 2 MB<br />08:17:01 Peak memory usage: 2 MB<br />08:17:01 Done writing files<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />