13:22:53 Create new PHPExcel object<br />13:22:53 Set document properties<br />13:22:53 Add some data<br />13:22:53 Rename worksheet<br />13:22:53 Clone worksheet<br />13:22:53 Rename cloned worksheet<br />13:22:53 Write to Excel2007 format<br />13:22:53 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0233 seconds<br />13:22:53 Current memory usage: 6 MB<br />13:22:53 Peak memory usage: 6 MB<br />13:22:53 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />