05:50:08 Write to Excel2007 format<br />05:50:08 File written to 33chartcreate-bar-stacked.xlsx<br />05:50:08 Peak memory usage: 4 MB<br />05:50:08 Done writing file<br />File has been created in D:\whospost\dv2\vendor\phpoffice\phpexcel\Examples<br />