12:09:32 Write to Excel2007 format<br />12:09:32 File written to 33chartcreate-column-2.xlsx<br />12:09:32 Peak memory usage: 2 MB<br />12:09:32 Done writing file<br />File has been created in /var/www/html/Quetzal/vendor/phpoffice/phpexcel/Examples<br />