private function checkResponse($response, $responseToken, $token, $query = null)
{
if (!isset($response['t'])) {
throw new RqlDriverError("Response message has no type.");
}
if ($response['t'] == pb\Response_ResponseType::PB_CLIENT_ERROR) {
throw new RqlDriverError("Server says PHP-RQL is buggy: " . $response['r'][0]);
}
if ($responseToken != $token) {
throw new RqlDriverError("Received wrong token. Response does not match the request. Expected {$token}, received " . $responseToken);
}
if ($response['t'] == pb\Response_ResponseType::PB_COMPILE_ERROR) {
$backtrace = null;
if (isset($response['b'])) {
$backtrace = Backtrace::_fromJSON($response['b']);
}
throw new RqlServerError("Compile error: " . $response['r'][0], $query, $backtrace);
} else {
if ($response['t'] == pb\Response_ResponseType::PB_RUNTIME_ERROR) {
$backtrace = null;
if (isset($response['b'])) {
$backtrace = Backtrace::_fromJSON($response['b']);
}
throw new RqlServerError("Runtime error: " . $response['r'][0], $query, $backtrace);
}
}
}
