07:07:36 Write to Excel2007 format<br />07:07:36 File written to 33chartcreate-column-2.xlsx<br />07:07:36 Peak memory usage: 4 MB<br />07:07:36 Done writing file<br />File has been created in /home/gazipur/ray.gazipurcity.com/vendor/phpoffice/phpexcel/Examples<br />