13:47:48 Write to Excel2007 format<br />13:47:48 File written to 33chartcreate-multiple-charts.xlsx<br />13:47:48 Peak memory usage: 2 MB<br />13:47:48 Done writing file<br />File has been created in /home/gazipur/ray.gazipurcity.com/vendor/phpoffice/phpexcel/Examples<br />