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