22:22:19 Create new PHPExcel object<br />22:22:19 Set document properties<br />22:22:19 Add some data<br />22:22:19 Rename worksheet<br />22:22:19 Clone worksheet<br />22:22:19 Rename cloned worksheet<br />22:22:19 Write to Excel2007 format<br />22:22:19 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0231 seconds<br />22:22:19 Current memory usage: 6 MB<br />22:22:19 Peak memory usage: 6 MB<br />22:22:19 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />