18:16:08 Write to Excel2007 format<br />18:16:09 File written to 33chartcreate-composite.xlsx<br />18:16:09 Peak memory usage: 5.75 MB<br />18:16:09 Done writing file<br />File has been created in /home/glink/haiphams3.glinkdeployments.com/exams/vendor/phpoffice/phpexcel/Examples<br />