17:09:10 Write to Excel2007 format<br />17:09:10 File written to 33chartcreate-line.xlsx<br />17:09:10 Peak memory usage: 6 MB<br />17:09:10 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />