14:54:06 Write to Excel2007 format<br />14:54:06 File written to 33chartcreate-multiple-charts.xlsx<br />14:54:06 Peak memory usage: 6 MB<br />14:54:06 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />