Get parent tv for modx revo

get_parent_tv.php

<?php
if (!$tv) return;
$tv_value = $modx->resource->getTVvalue($tv);
if (!$tv_value) {
    $catalog_sections = false;
    $parents_array = $modx->getParentIds($modx->resource->id);
    foreach ($parents_array as $parent) {
        if ($parent !== 0) {
            $obj = $modx->getObject('modResource',$parent);
            $tv_value = $obj->getTVvalue($tv);
            if ($tv_value) break;
        }
    }
}
if ($tv_value) {
    if ($toPlaceholder) {
        $modx->setPlaceholder($toPlaceholder, $tv_value);
        return;
    }
    return $tv_value;
}
return;