03:53:36 Create new PHPExcel object
03:53:36 Set document properties
03:53:36 Add some data
03:53:36 Rename worksheet
03:53:36 Clone worksheet
03:53:36 Rename cloned worksheet
03:53:36 Write to Excel2007 format
03:53:36 File written to 38cloneWorksheet.xlsx
Call time to write Workbook was 0.0626 seconds
03:53:36 Current memory usage: 4 MB
03:53:36 Peak memory usage: 4 MB
03:53:36 Done writing files
File has been created in E:\item\doctor\vendor\phpoffice\phpexcel\Examples