Вывод ссылки на родительский документ

<div id="page-title">

   <h2>[*pagetitle*]</h2>
   <p><a align="right" href="[(site_url)][~[+parent+]~]">[!GetField? & docid=`[+parent+]`!]</a></p>
</div> <!-- /page-title -->

<?php
$id= $modx->documentIdentifier;

$parent = $modx->getParent ($id, 1, 'id, pagetitle');
$pid = $parent[id];
$ppagetitle = $parent[pagetitle];

$plink = '<a href="[~'.$pid.'~]">'.$ppagetitle.'</a>'; 

return $plink; 

?>

<?php
/* MakeLink [0.6]
** This snippet allows create single non self-referred links
* ----------------------------------------------------------
*
** Most simple example:
*  [[MakeLink? &docid=`12` &alink_text=`Sitemap`]]
*
** Parametrs:
*  &docid : document id to generate link (* required parameter);
*  &alink_text : active link text (* minimally necessary);
*  &alink_chunk : active link chunk (use instead of the &alink_text);
*
*  &dlink_text : disabled "link" text;
*  &dlink_chunk : disabled "link" chunk (use instead of the &dlink_text);
*
*  &link_class : CSS class to assign for tag <a>;
*  &link_id : CSS identifier to assign for tag <a>;
*
** Exemples of use:
*  [[MakeLink? &docid=`12` &alink_text=`Contact us` &dlink_chunk=`contact_img_chunk`]]
*  <span style="color:#999;">[[MakeLink? &docid=`12` &alink_text=`Contact us`]]</span>
*  <div id="logo">[[MakeLink? &docid=`1` &alink_chunk=`logo_link_tpl` &link_id=`logo_link`]]<div>
*
* ------------------------------
** Copyright (C) 2007, [e]Bu$ter
** e-mail: [email protected]   */

if (!isset($docid)) {
  $link = '<span style="color:red;"><strong>MakeLink:</strong> Please, specify &docid parametr!</span>';
  return $link;
}

$alink = (isset($alink_chunk))? $modx->getChunk($alink_chunk): ((isset($alink_text))? $alink_text : '<span style="color: blue;"><strong>MakeLink:</strong> Specify text for this link.</span>');
$dlink = (isset($dlink_chunk))? $modx->getChunk($dlink_chunk): ((isset($dlink_text))? $dlink_text: $alink);
$link_class = (isset($link_class))? " class=\"$link_class\"": '';
$link_id = (isset($link_id))? " id=\"$link_id\"" : '';

if ($docid == $modx->documentIdentifier) {
  $link = $dlink;
} else {
  $url = $modx->makeUrl($docid);
  $link = "<a href=\"$url\"$link_id$link_class>$alink</a>";
}

  return $link;
?>