save qr image to sub directory

[kecoakkampret]

i want save qr image to sub directory, i change $params['savename'] = FCPATH.'tes.png' to
$params['savename'] = base_url('qr').'tes.png'
but i receipe notif
Message: imagepng(): https:// wrapper is disabled in the server configuration by allow_url_fopen=0

[alfiansm27]

use like this bro
$params['savename'] = 'uploads/qr-code/tes.png';