16:03:09 Write to Excel2007 format<br />16:03:09 File written to 33chartcreate-line.xlsx<br />16:03:09 Peak memory usage: 4 MB<br />16:03:09 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />