16:34:30 Write to Excel2007 format<br />16:34:30 File written to 33chartcreate-bar-stacked.xlsx<br />16:34:30 Peak memory usage: 4 MB<br />16:34:30 Done writing file<br />File has been created in C:\xampp\htdocs\oa-OLD\vendor\phpoffice\phpexcel\Examples<br />