YamlFileLoader::loadFile

protected YamlFileLoader::loadFile($file)

protected function loadFile($file) 
 {
  if (!stream_is_local($file)) {
    throw new InvalidArgumentException(sprintf('This is not a local file "%s".', $file));
  }

  if (!file_exists($file)) {
    throw new InvalidArgumentException(sprintf('The service file "%s" is not valid.', $file));
  }

  return $this->validate(Yaml::decode(file_get_contents($file)), $file);
}