21:03:44 Create new PHPExcel object
21:03:44 Set document properties
21:03:44 Add some data
21:03:44 Rename worksheet
21:03:44 Clone worksheet
21:03:44 Rename cloned worksheet
21:03:44 Write to Excel2007 format
21:03:44 File written to 38cloneWorksheet.xlsx
Call time to write Workbook was 0.0292 seconds
21:03:44 Current memory usage: 2 MB
21:03:44 Peak memory usage: 2 MB
21:03:44 Done writing files
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples