20:17:57 Write to Excel2007 format<br />20:17:57 File written to 33chartcreate-column.xlsx<br />20:17:57 Peak memory usage: 6 MB<br />20:17:57 Done writing file<br />File has been created in /var/www/html/elite-zaragoza/vendor/phpoffice/phpexcel/Examples<br />