15:29:50 Write to Excel2007 format<br />15:29:51 File written to 33chartcreate-bar-stacked.xlsx<br />15:29:51 Peak memory usage: 6 MB<br />15:29:51 Done writing file<br />File has been created in /var/www/html/elite-matungao/vendor/phpoffice/phpexcel/Examples<br />