03:03:55 Write to Excel2007 format<br />03:03:55 File written to 33chartcreate-bar-stacked.xlsx<br />03:03:55 Peak memory usage: 4 MB<br />03:03:55 Done writing file<br />File has been created in C:\xampp\htdocs\backend\vendor\phpoffice\phpexcel\Examples<br />