16:31:06 Create new PHPExcel object
16:31:06 Set document properties
16:31:06 Add some data
16:31:06 Rename worksheet
16:31:06 Clone worksheet
16:31:06 Rename cloned worksheet
16:31:06 Write to Excel2007 format
16:31:07 File written to 38cloneWorksheet.xlsx
Call time to write Workbook was 0.0227 seconds
16:31:07 Current memory usage: 4 MB
16:31:07 Peak memory usage: 4 MB
16:31:07 Done writing files
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples