07:40:47 Write to Excel2007 format<br />07:40:47 File written to 33chartcreate-bar-stacked.xlsx<br />07:40:47 Peak memory usage: 6 MB<br />07:40:47 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />