11:35:08 Create new PHPExcel object
11:35:08 Set document properties
11:35:08 Add some data
11:35:08 Rename worksheet
11:35:08 Clone worksheet
11:35:08 Rename cloned worksheet
11:35:08 Write to Excel2007 format
11:35:09 File written to 38cloneWorksheet.xlsx
Call time to write Workbook was 0.0320 seconds
11:35:09 Current memory usage: 6 MB
11:35:09 Peak memory usage: 6 MB
11:35:09 Done writing files
File has been created in D:\wwwroot\stu91\vendor\phpoffice\phpexcel\Examples