20:49:49 Create new PHPExcel object
20:49:49 Create styles array
20:49:49 Add data (begin)
20:49:50 Add data (end), time: 0.62 s
20:49:50 Write to Excel2007 format
20:49:50 File written to 40duplicateStyle.xlsx
20:49:50 Peak memory usage: 9.5 MB
20:49:50 Done writing file
File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples