13:59:02 Write to Excel2007 format<br />13:59:02 File written to 33chartcreate-bar-stacked.xlsx<br />13:59:02 Peak memory usage: 5.25 MB<br />13:59:02 Done writing file<br />File has been created in /var/www/html/gestion_dls_laravel/vendor/phpoffice/phpexcel/Examples<br />