22:28:11 Write to Excel2007 format<br />22:28:11 File written to 33chartcreate-bar-stacked.xlsx<br />22:28:11 Peak memory usage: 4.75 MB<br />22:28:11 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />