13:51:40 Create new PHPExcel object<br />13:51:40 Set document properties<br />13:51:40 Add some data<br />13:51:40 Rename worksheet<br />13:51:40 Clone worksheet<br />13:51:40 Rename cloned worksheet<br />13:51:40 Write to Excel2007 format<br />13:51:41 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0957 seconds<br />13:51:41 Current memory usage: 6 MB<br />13:51:41 Peak memory usage: 6 MB<br />13:51:41 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />