12:49:37 Write to Excel2007 format<br />12:49:37 File written to 33chartcreate-bar-stacked.xlsx<br />12:49:37 Peak memory usage: 4.25 MB<br />12:49:37 Done writing file<br />File has been created in C:\xampp\htdocs\oa\vendor\phpoffice\phpexcel\Examples<br />