/**
 * Returns the GF Form field type for a certain field(id) of a form
 * @param  object $form     Gravity Forms form
 * @param  mixed $field_id Field ID or Field array
 * @return string field type
 */
function gravityview_get_field_type($form = null, $field_id = '')
{
    return GVCommon::get_field_type($form, $field_id);
}