below is the snippet code i have or it. i am using version rev1.0.3
<?php
/*
==================================================
GetField
==================================================
Returns any document field or template variable from any document or any of its parents.
Author: Grzegorz Adamiak [grad]
Version: 1.3 beta @2006-11-08 14:40:04
License: LGPL
MODx: 0.9.2.1+
See GetField.txt for instructions and version history.
--------------------------------------------------
*/
unset($docid, $field, $parent, $parentLevel, $topid);
# GetField functions
# ---------------------------------------------
# gfGetFieldContent
# Returns the inherited value of any content field
if (!function_exists(gfGetFieldContent))
{
function gfGetFieldContent($modx,$gfIntDocId,$gfStrDocField)
{
/* apparently in 0.9.2.1 the getTemplateVarOutput function doesn’t work as expected and doesn’t return INHERITED value; this is probably to be fixed for next release; see
http://modxcms.com/bugs/task/464
$gfArrTV = $modx->getTemplateVarOutput($gfStrDocField,$gfIntDocId);
return $gfArrTV[$gfStrDocField];
*/
while ($gfArrParent = $modx->getDocument($gfIntDocId,’parent’))
{
$gfArrTV = $modx->getTemplateVar($gfStrDocField,’*’,$gfIntDocId);
if (($gfArrTV[’value’] && substr($gfArrTV[’value’],0,8) != ’@INHERIT’) or !$gfArrTV[’value’]) // tv default value is overriden (including empty)
{
$output = $modx->getTemplateVarOutput($gfStrDocField,$gfIntDocId);
$output = $output[$gfStrDocField];
break;
}
else // there is no parent with default value overriden
{
$output = trim(substr($gfArrTV[’value’],8));
}
$gfIntDocId = $gfArrParent[’parent’]; // move up one document in document tree
} // end while
return $output;
}
}
# gfGetParentId
# Returns the parent document ID
if (!function_exists(gfGetParentId))
{
function gfGetParentId($modx, $gfIntDocId, $gfIntTopDocId, $gfIntParentLevel)
{
# build an array of document ancestors IDs
$gfArrParentIds = array (); // initialize;
$gfArrParentIds[] = $gfIntDocId; // add the specified document ID on first place
// get IDs of all parents back to root of the document tree
while (($gfArrParent = $modx->getDocument($gfIntDocId,’parent’)) && ($gfArrParent[’parent’] != 0))
{
$gfIntDocId = $gfArrParent[’parent’]; // move up one document in the document tree
$gfArrParentIds[] = $gfIntDocId; // add parent ID to the array
} // end while
unset($gfIntDocId, $gfArrParent);
$gfIntParentsCount = count($gfArrParentIds); // number of the parents
# determine the ID of the specified parent
switch ($gfIntTopDocId)
{
case 0: // not set or set to the root of the document tree
($gfIntParentLevel && ($gfIntParentLevel < $gfIntParentsCount)) ?
($gfIntDocId = $gfArrParentIds[$gfIntParentLevel]) : // find parent in specified levels up
($gfIntDocId = $gfArrParentIds[$gfIntParentsCount - 1]); // if not set return the topmost (ultimate) parent
break;
default: // set to any other document
$gfIntParentKey = array_search($gfIntTopDocId, $gfArrParentIds); // find the index of parent
switch ($gfIntParentKey)
{
case 0: // not an ancestor or the document itself
$gfIntDocId = 0;
break;
default: // parent is above the document in document tree
($gfIntParentLevel && ($gfIntParentLevel < $gfIntParentKey)) ?
($gfIntDocId = $gfArrParentIds[$gfIntParentLevel]) : // find parent in specified levels up
($gfIntDocId = $gfArrParentIds[$gfIntParentKey - 1]);
} // end switch
} // end switch
unset($gfIntTopDocId, $gfIntParentLevel, $gfIntParentsCount, $gfIntParentKey, $gfArrParentIds);
return $gfIntDocId;
}
}
?>
?>
