19:36:14 Write to Excel2007 format<br />19:36:14 File written to 33chartcreate-line.xlsx<br />19:36:14 Peak memory usage: 5.5 MB<br />19:36:14 Done writing file<br />File has been created in /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples<br />