15:31:17 Write to Excel2007 format<br />15:31:17 File written to 33chartcreate-bar-stacked.xlsx<br />15:31:17 Peak memory usage: 7.25 MB<br />15:31:17 Done writing file<br />File has been created in C:\wamp64\www\car\vendor\phpoffice\phpexcel\Examples<br />