config presave

gistfile1.txt

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('.'));
  
}