22:10:15 Create new PHPExcel object
22:10:15 Set document properties
22:10:15 Add some data
22:10:15 Rename worksheet
22:10:15 Clone worksheet
22:10:15 Rename cloned worksheet
22:10:15 Write to Excel2007 format
22:10:15 File written to 38cloneWorksheet.xlsx
Call time to write Workbook was 0.0153 seconds
22:10:15 Current memory usage: 5.25 MB
22:10:15 Peak memory usage: 5.25 MB
22:10:15 Done writing files
File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples