12:37:51 Create new PHPExcel object
12:37:51 Set document properties
12:37:51 Add some data
12:37:51 Rename worksheet
12:37:51 Clone worksheet
12:37:51 Rename cloned worksheet
12:37:51 Write to Excel2007 format
12:37:51 File written to 38cloneWorksheet.xlsx
Call time to write Workbook was 0.0515 seconds
12:37:51 Current memory usage: 4 MB
12:37:51 Peak memory usage: 4 MB
12:37:51 Done writing files
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples