21:06:50 Create new PHPExcel object<br />21:06:50 Set document properties<br />21:06:50 Add some data<br />21:06:50 Rename worksheet<br />21:06:50 Clone worksheet<br />21:06:50 Rename cloned worksheet<br />21:06:50 Write to Excel2007 format<br />21:06:50 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0646 seconds<br />21:06:50 Current memory usage: 6 MB<br />21:06:50 Peak memory usage: 6 MB<br />21:06:50 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />