09:21:02 Write to Excel2007 format<br />09:21:02 File written to 33chartcreate-bar-stacked.xlsx<br />09:21:02 Peak memory usage: 4 MB<br />09:21:02 Done writing file<br />File has been created in /home/app/htdocs/ninja1/vendor/phpoffice/phpexcel/Examples<br />