10:36:44 Write to Excel2007 format<br />10:36:45 File written to 33chartcreate-column.xlsx<br />10:36:45 Peak memory usage: 6 MB<br />10:36:45 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />