22:36:46 Write to Excel2007 format<br />22:36:46 File written to 33chartcreate-bar-stacked.xlsx<br />22:36:46 Peak memory usage: 6 MB<br />22:36:46 Done writing file<br />File has been created in /home/royatumj/public_html/NiuMilkSystem/vendor/phpoffice/phpexcel/Examples<br />