19:09:39 Create new PHPExcel object<br />19:09:39 Set document properties<br />19:09:39 Add some data<br />19:09:39 Rename worksheet<br />19:09:39 Clone worksheet<br />19:09:39 Rename cloned worksheet<br />19:09:39 Write to Excel2007 format<br />19:09:39 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0238 seconds<br />19:09:39 Current memory usage: 6 MB<br />19:09:39 Peak memory usage: 6 MB<br />19:09:39 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />