breadcrumbs.class.php

<?php

class modSiteWebBreadcrumbsProcessor extends modProcessor{

	public function initialize(){
		$this->setDefaultProperties(array(
			'startId'       => 0,
			'excludeDocs'   => array(),
			'showHidden'    => true,
			'showUnpub'     => false,
			'showDeleted'   => false
		));
		return parent::initialize();
	}

	public function process() {
		$bc_path = array();
		$resource = $this->modx->resource;

		//стоим в голове, нечего выводить
		if($resource->get('id') != $this->getProperty('startId')){
    		//соберем цепочку родителей
    		$r=$resource->toArray();
    		unset($r['content']);
    		$bc_path[]=$r;
    
    	    while($resource = $resource->getOne('Parent')) {
    		    if (in_array($resource->id, $this->getProperty('excludeDocs'))
    			    || !$this->getProperty('showHidden') && $resource->hidemenu
    			    || !$this->getProperty('showUnpub') && !$resource->published
    			    || !$this->getProperty('showDeleted') && $resource->deleted
    		    ){
    			    continue;
    			}
    
    		    $r=$resource->toArray();
    		    unset($r['content']);
    		    array_unshift($bc_path,$r);
    
    		    if($resource->id==$this->getProperty('startId')) break;
    		}
		}
		return $this->success('', $bc_path);
	}
}
return 'modSiteWebBreadcrumbsProcessor';

breadcrumbs.tpl

{$params=['startId'=>37]}
{processor action='site/web/breadcrumbs' ns=modxsite params=$params assign=result}
<div class="breadcrumbs">
	{$total = count($result['object'])}
	{$counter = 0}
	{foreach $result.object as $object}
		{$counter=$counter+1}
		{if $counter<$total}
			<span itemscope="itemscope" itemtype="http://data-vocabulary.org/Breadcrumb">
				<a itemprop="url" rel="{$object.pagetitle}" href="{$object.uri}">
					<span itemprop="title">{$object.pagetitle}</span></a></span>
			/
		{else}
			<span itemscope="itemscope">{$object.pagetitle}</span>
		{/if}
	{/foreach}
</div>