10:19:38 Write to Excel2007 format<br />10:19:38 File written to 33chartcreate-column-2.xlsx<br />10:19:38 Peak memory usage: 6 MB<br />10:19:38 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />