20:13:59 Write to Excel2007 format<br />20:13:59 File written to 33chartcreate-bar-stacked.xlsx<br />20:13:59 Peak memory usage: 6 MB<br />20:13:59 Done writing file<br />File has been created in /var/www/html/Spa/vendor/phpoffice/phpexcel/Examples<br />