BitbarPlugins\Travel\WifiAccessPoint::getSignalStrengthFromDefinition PHP Метод

    private static function getSignalStrengthFromDefinition(array $definition)
    {
        if (!(isset($definition[self::DEFINITION_SIGNAL_STRENGTH]) && is_int($definition[self::DEFINITION_SIGNAL_STRENGTH]))) {
            return null;
        }
        return $definition[self::DEFINITION_SIGNAL_STRENGTH];
    }