09:28:01 Write to Excel2007 format<br />09:28:01 File written to 33chartcreate-column.xlsx<br />09:28:01 Peak memory usage: 4 MB<br />09:28:01 Done writing file<br />File has been created in /var/www/html/add/mlj/laravel/vendor/phpoffice/phpexcel/Examples<br />