03:35:01 Write to Excel2007 format<br />03:35:01 File written to 33chartcreate-bar-stacked.xlsx<br />03:35:01 Peak memory usage: 3.25 MB<br />03:35:01 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />