15:32:43 Write to Excel2007 format<br />15:32:43 File written to 33chartcreate-bar-stacked.xlsx<br />15:32:43 Peak memory usage: 6.25 MB<br />15:32:43 Done writing file<br />File has been created in D:\wwwroot\jzg\vendor\phpoffice\phpexcel\Examples<br />