09:40:53 Write to Excel2007 format<br />09:40:53 File written to 33chartcreate-bar.xlsx<br />09:40:53 Peak memory usage: 6 MB<br />09:40:53 Done writing file<br />File has been created in /var/www/html/add/qilan/laravel/vendor/phpoffice/phpexcel/Examples<br />