02:36:30 Write to Excel2007 format<br />02:36:30 File written to 33chartcreate-scatter.xlsx<br />02:36:30 Peak memory usage: 4 MB<br />02:36:30 Done writing file<br />File has been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples<br />