/**
* @internal
*/
private static function getClient()
{
if (!is_null(self::$client)) {
return self::$client;
}
if (RippleRestClientCURL::isAvailable()) {
return self::$client = new RippleRestClientCURL();
}
if (RippleRestClientURLFileOpen::isAvailable()) {
return self::$client = new RippleRestClientURLFileOpen();
}
throw new RippleRestProtocolError("There is no Client available. Please try install cURL or turn on 'allow_url_fopen'.");
}
