23:08:14 Write to Excel2007 format<br />23:08:15 File written to 33chartcreate-column.xlsx<br />23:08:15 Peak memory usage: 5.25 MB<br />23:08:15 Done writing file<br />File has been created in /var/www/html/gestion_dls_laravel/vendor/phpoffice/phpexcel/Examples<br />