13:45:29 Write to Excel2007 format<br />13:45:29 File written to 33chartcreate-bar-stacked.xlsx<br />13:45:29 Peak memory usage: 2 MB<br />13:45:29 Done writing file<br />File has been created in /home/gazipur/ray.gazipurcity.com/vendor/phpoffice/phpexcel/Examples<br />