// $sql=( "SELECT contentid FROM modx_site_tmplvar_contentvalues WHERE value LIKE "'.$doc.'"::%'" AND tmplvarid='.$tvid.' OR value LIKE '%||.$doc.::%' AND tmplvarid='.$tvid.'" );

$sql=('SELECT `contentid` FROM `modx_site_tmplvar_contentvalues` WHERE value Like "'.$doc.'::%" AND tmplvarid='.$tvid.' OR value LIKE "%||'.$doc.'::%" AND tmplvarid='.$tvid.'" ');

[SRC sql]<?php
$doc = (isset($doc)) ? $doc : 0;	
$tvid = (isset($tvid)) ? $tvid : 0;
	
	
$sql=( "SELECT contentid FROM modx_site_tmplvar_contentvalues WHERE value LIKE '".$doc."::%' AND tmplvarid='".$tvid."' OR value LIKE '%||."$doc."::%' AND tmplvarid='".$tvid."' );
//$sql=('SELECT `contentid` FROM `modx_site_tmplvar_contentvalues` WHERE value Like "'.$doc.'::%" AND tmplvarid='.$tvid.' OR value LIKE "%||'.$doc.'::%" AND tmplvarid='.$tvid.'" ');

$result = mysql_query($sql);

$sql=('SELECT `contentid` FROM `modx_site_tmplvar_contentvalues` WHERE value LIKE "'.$doc.'::%" AND tmplvarid="'.$tvid.'" OR value LIKE "%||'.$doc.'::%" AND tmplvarid="'.$tvid.'" ');