12:03:30 Write to Excel2007 format<br />12:03:30 File written to 33chartcreate-bar-stacked.xlsx<br />12:03:30 Peak memory usage: 6.25 MB<br />12:03:30 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />