20:12:50 Write to Excel2007 format<br />20:12:50 File written to 33chartcreate-bar-stacked.xlsx<br />20:12:50 Peak memory usage: 6 MB<br />20:12:50 Done writing file<br />File has been created in /home/uniem/public_html/SUNIEM/vendor/phpoffice/phpexcel/Examples<br />