13:44:52 Write to Excel2007 format<br />13:44:52 File written to 33chartcreate-multiple-charts.xlsx<br />13:44:52 Peak memory usage: 6 MB<br />13:44:52 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />