12:10:53 Write to Excel2007 format<br />12:10:53 File written to 33chartcreate-bar.xlsx<br />12:10:53 Peak memory usage: 4 MB<br />12:10:53 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />