14:08:52 Write to Excel2007 format<br />14:08:52 File written to 33chartcreate-bar-stacked.xlsx<br />14:08:52 Peak memory usage: 6.5 MB<br />14:08:52 Done writing file<br />File has been created in /var/www/loyalworld_160326.bk/loyalworld/vendor/phpoffice/phpexcel/Examples<br />