16:30:18 Write to Excel2007 format<br />16:30:18 File written to 33chartcreate-column.xlsx<br />16:30:18 Peak memory usage: 2 MB<br />16:30:18 Done writing file<br />File has been created in /home/gazipur/ray.gazipurcity.com/vendor/phpoffice/phpexcel/Examples<br />