14:33:09 Create new PHPExcel object<br />14:33:09 Set document properties<br />14:33:09 Add some data<br />14:33:09 Rename worksheet<br />14:33:09 Clone worksheet<br />14:33:09 Rename cloned worksheet<br />14:33:09 Write to Excel2007 format<br />14:33:09 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0044 seconds<br />14:33:09 Current memory usage: 2 MB<br />14:33:09 Peak memory usage: 2 MB<br />14:33:09 Done writing files<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />