13:06:04 Write to Excel2007 format<br />13:06:04 File written to 33chartcreate-bar-stacked.xlsx<br />13:06:04 Peak memory usage: 6 MB<br />13:06:04 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />