01:56:19 Create new PHPExcel object<br />01:56:19 Set document properties<br />01:56:19 Add some data<br />01:56:19 Rename worksheet<br />01:56:19 Clone worksheet<br />01:56:19 Rename cloned worksheet<br />01:56:19 Write to Excel2007 format<br />01:56:19 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0035 seconds<br />01:56:19 Current memory usage: 2 MB<br />01:56:19 Peak memory usage: 2 MB<br />01:56:19 Done writing files<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo-new/vendor/phpoffice/phpexcel/Examples<br />