chx

function presave() {
  module_invoke_all('config_presave', $this);
  $hook = 'config_presave';
  $part = strtok($this->name, '.');
  do {
    $hook .= '_' . $part;
    module_invoke_all($hook, $this);
  } while ($part = strtok('.'));
  
}

chx

<?php

define('DRUPAL_ROOT', getcwd());

require_once DRUPAL_ROOT . '/Twig/lib/Twig/Autoloader.php';
Twig_Autoloader::register();

// Almost empty class, just swaps Twig_Node_Print objects to Drupal_Twig_Node_Print objects.
class Drupal_Twig_NodeVisitor implements Twig_NodeVisitorInterface {
  function enterNode(Twig_NodeInterface $node, Twig_Environment $env) {