19:49:41 Create new PHPExcel object<br />19:49:41 Set document properties<br />19:49:41 Add some data<br />19:49:41 Rename worksheet<br />19:49:41 Clone worksheet<br />19:49:41 Rename cloned worksheet<br />19:49:41 Write to Excel2007 format<br />19:49:41 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0041 seconds<br />19:49:41 Current memory usage: 2 MB<br />19:49:41 Peak memory usage: 2 MB<br />19:49:41 Done writing files<br />File has been created in /home/webdemoo/se.webdemo258.io.vn/cms-demo/vendor/phpoffice/phpexcel/Examples<br />