include snippet for MODX Revolution

snippet.include.php

if (empty($file)) return '';
$o = '';
$modx->parser->processElementTags('',$file,true,true);

$file = str_replace(array(
   '{core_path}',
   '{base_path}',
   '{assets_path}',
),array(
   $modx->getOption('core_path'),
   $modx->getOption('base_path'),
   $modx->getOption('assets_path'),
),$file);

if (file_exists($file)) {
   $o = include $file;

} else { die('File not found: '.$file); }
return $o;