20:44:01 Write to Excel2007 format
20:44:01 File written to 33chartcreate-bar.xlsx
20:44:01 Peak memory usage: 5.5 MB
20:44:01 Done writing file
File has been created in /home/glink/haiphams3.glinkdeployments.com/exams/vendor/phpoffice/phpexcel/Examples