Auth_OpenID_SRegRequest::getExtensionArgs PHP Method

    function getExtensionArgs()
    {
        $args = array();
        if ($this->required) {
            $args['required'] = implode(',', $this->required);
        }
        if ($this->optional) {
            $args['optional'] = implode(',', $this->optional);
        }
        if ($this->policy_url) {
            $args['policy_url'] = $this->policy_url;
        }
        return $args;
    }