19:29:41 Write to Excel2007 format
19:29:41 File written to 33chartcreate-column.xlsx
19:29:41 Peak memory usage: 5.5 MB
19:29:41 Done writing file
File has been created in /home/glink/haiphams3.glinkdeployments.com/exams/vendor/phpoffice/phpexcel/Examples