ChildrenCount количество документов в папке #

$ccParentId = isset($parentId)  ? $parentId : $modx->documentIdentifier;

$ccParentId = explode(",",$ccParentId);

foreach ($ccParentId as $ccValue) {
$ccChild = $ccChild + count($modx->getDocumentChildren($ccValue, 1, 0,'id'));
}
echo $ccChild;

<?php
$id = isset($docid) ? $docid : $modx->documentIdentifier;
$d = isset($depth) ? $depth : 0;

return count($modx->getChildIds($id, $d));
?>