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