Revolution | Cache Browser-Manager/ Selective Cache Clearance

/**
 * getParents
 * Function to get the parent ID's of a resource
 * modX getParentIds() not working because there's no map for this resource ready
 */
if($modx->event->name != 'OnEmptyTrash') {
 $par = array();
 function getParents($res) {
  global $par;
  $parent = $res->getOne('Parent');
  if($parent->get('parent') > 0) {
    $par[] = $parent->get('id');
    getParents($parent);
  } else {
    $par[] = $parent->get('id');
    return $par;
  }
  return $par;
 }

 // Path to the resource cache
 $resourcesPath = $modx->getOption('core_path') . 'cache/resource/web/resources/';

 // Store parents + home in array
 $parents = getParents($res);
 $parents[]  = 1;

 // Iterate through parents and remove cache resources
 foreach($parents as $parent) {
  $parentPath = $resourcesPath . $parent . '/';
  if(file_exists($parentPath) && $modx->cacheManager->deleteTree($parentPath, array('deleteTop' => true)))
    $modx->log(modX::LOG_LEVEL_ERROR, 'JUST REMOVED ' . $parentPath);
 }