06:16:17 Write to Excel2007 format<br />06:16:17 File written to 33chartcreate-bar-stacked.xlsx<br />06:16:17 Peak memory usage: 6.25 MB<br />06:16:17 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />