20:40:51 Write to Excel2007 format
20:40:51 File written to 33chartcreate-pie.xlsx
20:40:51 Peak memory usage: 5.5 MB
20:40:51 Done writing file
File has been created in /home/glink/haiphams3.glinkdeployments.com/exams/vendor/phpoffice/phpexcel/Examples