09:28:55 Write to Excel2007 format<br />09:28:55 File written to 33chartcreate-bar-stacked.xlsx<br />09:28:55 Peak memory usage: 6 MB<br />09:28:55 Done writing file<br />File has been created in /var/www/html/laravel_test/vendor/phpoffice/phpexcel/Examples<br />