15:47:17 Write to Excel2007 format<br />15:47:17 File written to 33chartcreate-column-2.xlsx<br />15:47:17 Peak memory usage: 6 MB<br />15:47:17 Done writing file<br />File has been created in /home/akacsystem/facturacion.akacsystem.com/vendor/phpoffice/phpexcel/Examples<br />