21:00:02 Write to Excel2007 format<br />21:00:03 File written to 33chartcreate-column-2.xlsx<br />21:00:03 Peak memory usage: 2 MB<br />21:00:03 Done writing file<br />File has been created in /home2/winposunlimited/webtest1.winposunlimited.com/vendor/phpoffice/phpexcel/Examples<br />