modx clear cache

clearcache.snippet.php

<?php
$paths = array(
    'config.cache.php',
    'sitePublishing.idx.php',
    'registry/mgr/workspace/',
    'lexicon/',
);

$contexts = $modx->getCollection('modContext');
foreach ($contexts as $context) {
    $paths[] = $context->get('key') . '/';
}

$options = array(
    'publishing' => 1,
    'extensions' => array('.cache.php', '.msg.php', '.tpl.php'),
);

if ($modx->getOption('cache_db')) $options['objects'] = '*';
$results= $modx->cacheManager->clearCache($paths, $options);