Login snippet can't do embedded logoutTpl?

Hi, [[+modx.user.username]] <a href="[[+logoutUrl]]">Sign out</a> 

[[!Login? &tplType=`embedded` &errTplType=`embedded`]]

switch ($tplType) {
    case 'embedded':
        if (!$authenticated) $modx->setPlaceholders($phs); /* THIS STOPS IT WORKING! */
        /* $modx->setPlaceholders($phs);             THIS ALTERNATIVE SEEMS TO WORK! */
        break;
    case 'modChunk':
        $output .= $modx->getChunk($tpl, $phs);
        break;
    case 'file':
        $output .= file_get_contents($tpl);
        $modx->setPlaceholders($phs);
        break;
    case 'inline':
    default:
        /* default is inline, meaning the tpl content was provided directly in the property */
        $output .= $tpl;
        $modx->setPlaceholders($phs);
        break;
}

return $output;
?>

$modx->setPlaceholders($properties);

$this->modx->setPlaceholders($properties);