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