08:40:44 Write to Excel2007 format<br />08:40:44 File written to 33chartcreate-bar-stacked.xlsx<br />08:40:44 Peak memory usage: 1.75 MB<br />08:40:44 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />