06:34:27 Write to Excel2007 format<br />06:34:27 File written to 33chartcreate-bar-stacked.xlsx<br />06:34:27 Peak memory usage: 6.25 MB<br />06:34:27 Done writing file<br />File has been created in D:\wwwroot\oa\vendor\phpoffice\phpexcel\Examples<br />