18:27:39 Write to Excel2007 format<br />18:27:39 File written to 33chartcreate-pie.xlsx<br />18:27:39 Peak memory usage: 2 MB<br />18:27:39 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />