'When w3af translates the form params into a request at
FuzzableRequest.from_form() it uses this method to determine if the
form parameters are send in the query string or in the post-data
:return: True if we should send the params in the post-data'

def has_post_data(self):

    if (self.get_method().upper() in ('POST', 'PUT', 'PATCH')):
        return True
    return False
