20:20:30 Write to Excel2007 format<br />20:20:30 File written to 33chartcreate-bar-stacked.xlsx<br />20:20:30 Peak memory usage: 6 MB<br />20:20:30 Done writing file<br />File has been created in /var/www/html/elite-tabang/vendor/phpoffice/phpexcel/Examples<br />