21:03:44 Create new PHPExcel object<br />21:03:44 Set document properties<br />21:03:44 Add some data<br />21:03:44 Rename worksheet<br />21:03:44 Clone worksheet<br />21:03:44 Rename cloned worksheet<br />21:03:44 Write to Excel2007 format<br />21:03:44 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0292 seconds<br />21:03:44 Current memory usage: 2 MB<br />21:03:44 Peak memory usage: 2 MB<br />21:03:44 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />