20:20:26 Create new PHPExcel object<br />20:20:26 Set document properties<br />20:20:26 Add some data<br />20:20:26 Rename worksheet<br />20:20:27 Clone worksheet<br />20:20:27 Rename cloned worksheet<br />20:20:27 Write to Excel2007 format<br />20:20:27 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0238 seconds<br />20:20:27 Current memory usage: 2 MB<br />20:20:27 Peak memory usage: 2 MB<br />20:20:27 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />