Áðàòñêèå òýãè. Ãðóïïèðîâêà è âûâîä ïðè ñîîòâåòñòâèè. ??

[[SnippetName? &tmplvarname=`TVname` &docfield=`pagetitle`]]

//ID of page for category links
$pageid =  $modx->documentObject['id'];
//Name of Template Variable used for relation
$tmplvarname = isset($tmplvarname) ? $tmplvarname : "TVname";
//related Document field for display as URL text
$docfield = isset($docfield) ? $docfield : "introtext";

// get TV value for current document
$tmplvar = $modx->getTemplateVar($tmplvarname, '*', $pageid, 1);
// find all documents with some TV value exept current document
$sql = "SELECT * FROM ".$modx->db->config['dbase'].".".$modx->db->config['table_prefix']."site_tmplvar_contentvalues WHERE tmplvarid =".$tmplvar['id']." AND contentid <> ".$pageid." AND value='".trim($tmplvar['value'])."'";
$rs = $etomite->dbQuery($sql);
// fill output HTML
$output = '<div><ul>';
while($row = mysql_fetch_assoc($rs)){
$a = $modx->getDocument($row['contentid'],$docfield);   
$output .= "<li><a href='[~".$row['contentid']."~]'>".$a[$docfield]."</a></li>\n";
}

return $output."</ul></div>\n";