22:35:20 Write to Excel2007 format<br />22:35:20 File written to 33chartcreate-bar-stacked.xlsx<br />22:35:20 Peak memory usage: 4.25 MB<br />22:35:20 Done writing file<br />File has been created in C:\xampp\htdocs\oa\vendor\phpoffice\phpexcel\Examples<br />