21:08:23 Write to Excel2007 format<br />21:08:23 File written to 33chartcreate-bar-stacked.xlsx<br />21:08:23 Peak memory usage: 3.25 MB<br />21:08:23 Done writing file<br />File has been created in D:\www\rict\protect\vendor\phpoffice\phpexcel\Examples<br />