20:23:55 Write to Excel2007 format<br />20:23:55 File written to 33chartcreate-bar-stacked.xlsx<br />20:23:55 Peak memory usage: 7.75 MB<br />20:23:55 Done writing file<br />File has been created in /var/www/html/lmsold/vendor/phpoffice/phpexcel/Examples<br />