04:11:46 Write to Excel2007 format<br />04:11:46 File written to 33chartcreate-bar-stacked.xlsx<br />04:11:46 Peak memory usage: 5.5 MB<br />04:11:46 Done writing file<br />File has been created in /var/www/mciweb/vendor/phpoffice/phpexcel/Examples<br />