13:42:52 Write to Excel2007 format<br />13:42:52 File written to 33chartcreate-bar-stacked.xlsx<br />13:42:52 Peak memory usage: 4.75 MB<br />13:42:52 Done writing file<br />File has been created in /var/www/hobn/vendor/phpoffice/phpexcel/Examples<br />