{dede:global.cfg_mb_open runphp=yes}require_once(DEDEMEMBER."/config.php");$uid  = $cfg_ml->M_LoginID;@me = ($uid) ? @me=$uid:@me='游客';{/dede:global.cfg_mb_open}

<?php
require_once(dirname(__FILE__)."/../include/common.inc.php");
require_once(DEDEMEMBER."/config.php");
$uid = $cfg_ml->M_LoginID;
$uid = ($uid) ? $uid : '游客';
echo "document.write('".$uid."');";
exit();

<script src="{dede:field name='phpurl'/}/uid.php" language="javascript"></script>