22:13:43 Create new PHPExcel object<br />22:13:43 Set document properties<br />22:13:43 Add some data<br />22:13:43 Rename worksheet<br />22:13:43 Clone worksheet<br />22:13:43 Rename cloned worksheet<br />22:13:43 Write to Excel2007 format<br />22:13:43 File written to 38cloneWorksheet.xlsx<br />Call time to write Workbook was 0.0237 seconds<br />22:13:43 Current memory usage: 6 MB<br />22:13:43 Peak memory usage: 6 MB<br />22:13:43 Done writing files<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />