20:42:44 Write to Excel2007 format<br />20:42:44 File written to 33chartcreate-bar-stacked.xlsx<br />20:42:44 Peak memory usage: 2 MB<br />20:42:44 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />