21:01:42 Write to Excel2007 format<br />21:01:42 File written to 33chartcreate-column.xlsx<br />21:01:42 Peak memory usage: 1.75 MB<br />21:01:42 Done writing file<br />File has been created in /var/www/inventariovirtual.com.co/public_html/private/www/vendor/phpoffice/phpexcel/Examples<br />