20:48:19 Write to Excel2007 format
20:48:19 File written to 33chartcreate-column.xlsx
20:48:19 Peak memory usage: 5.5 MB
20:48:19 Done writing file
File has been created in /home/glink/haiphams3.glinkdeployments.com/exams/vendor/phpoffice/phpexcel/Examples