19:19:48 Write to Excel2007 format<br />19:19:48 File written to 33chartcreate-bar-stacked.xlsx<br />19:19:48 Peak memory usage: 3.5 MB<br />19:19:48 Done writing file<br />File has been created in /var/www/provuna.com/banq/api/vendor/phpoffice/phpexcel/Examples<br />