21:10:06 Write to Excel2007 format<br />21:10:06 File written to 33chartcreate-bar-stacked.xlsx<br />21:10:06 Peak memory usage: 5.75 MB<br />21:10:06 Done writing file<br />File has been created in /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Examples<br />