22:37:38 Write to Excel2007 format<br />22:37:38 File written to 33chartcreate-column.xlsx<br />22:37:38 Peak memory usage: 6 MB<br />22:37:38 Done writing file<br />File has been created in /home/royatumj/public_html/NiuMilkSystem/vendor/phpoffice/phpexcel/Examples<br />