Settings::getHashSalt

public static Settings::getHashSalt()

public static function getHashSalt() {
  $hash_salt = self::$instance->get('hash_salt');
  // This should never happen, as it breaks user logins and many other
  // services. Therefore, explicitly notify the user (developer) by throwing
  // an exception.
  if (empty($hash_salt)) {
    throw new \RuntimeException('Missing $settings[\'hash_salt\'] in settings.php.');
  }

  return $hash_salt;
}