12:08:52 Write to Excel2007 format<br />12:08:52 File written to 33chartcreate-column.xlsx<br />12:08:52 Peak memory usage: 6.5 MB<br />12:08:52 Done writing file<br />File has been created in /var/www/html/proyectoprueba/mbinv/vendor/phpoffice/phpexcel/Examples<br />