18:09:10 Create new PHPExcel object
18:09:10 Set document properties
18:09:10 Add some data
18:09:10 Rename worksheet
18:09:10 Clone worksheet
18:09:10 Rename cloned worksheet
18:09:10 Write to Excel2007 format
18:09:10 File written to 38cloneWorksheet.xlsx
Call time to write Workbook was 0.0282 seconds
18:09:10 Current memory usage: 5.25 MB
18:09:10 Peak memory usage: 5.25 MB
18:09:10 Done writing files
File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples