FieldStorageConfig::getSetting

public FieldStorageConfig::getSetting($setting_name)

public function getSetting($setting_name) {
  // @todo See getSettings() about potentially statically caching this.
  // We assume here that one call to array_key_exists() is more efficient
  // than calling getSettings() when all we need is a single setting.
  if (array_key_exists($setting_name, $this->settings)) {
    return $this->settings[$setting_name];
  }
  $settings = $this->getSettings();
  if (array_key_exists($setting_name, $settings)) {
    return $settings[$setting_name];
  }
  else {
    return NULL;
  }
}