function render(ServerRequestInterface $request, ResponseInterface $response, $error = null)
{
if ($error) {
// On debug mode, a debugging error popup is displayed for Exceptions/Errors.
if ($this->devEnv && Http::clientAccepts($request, 'text/html')) {
return ErrorConsole::display($error, $this->responseFactory->makeHtmlResponse());
}
$status = $error instanceof HttpException ? $error->getCode() : 500;
// Errors may contain an additional `getTitle()` method.
if (method_exists($error, 'getTitle')) {
// The title is assumed to be a plain, one-line string (no formatting). If not, make it so.
$title = $error->getTitle();
$message = $error->getMessage();
} else {
list($title, $message) = array_pad(explode(PHP_EOL, $error->getMessage(), 2), 2, '');
}
$response = $response->withStatus($status);
} else {
$status = $response->getStatusCode();
$title = $response->getReasonPhrase();
$message = strval($response->getBody());
}
/** @var ResponseInterface $response */
$response = $response->withBody($body = $this->responseFactory->makeBody());
// Otherwise, errors are rendered into a format accepted by the HTML client.
if (Http::clientAccepts($request, 'text/html')) {
$response = $response->withHeader('Content-Type', 'text/html');
$customRenderer = $this->settings->getCustomRenderer($status);
if ($customRenderer) {
if ($customRenderer instanceof RenderableInterface) {
$class = $customRenderer->getContextClass();
$customRenderer->setContext($this->injector->make($class));
}
$response = $customRenderer($request, $response, nop());
} else {
ob_start();
$this->htmlTemplate($status, $title, $message);
$body->write(ob_get_clean());
}
} else {
$title = strip_tags($title);
$message = strip_tags($message);
if (Http::clientAccepts($request, 'text/plain') || Http::clientAccepts($request, '*/*')) {
$response = $response->withHeader('Content-Type', 'text/plain');
$body->write("{$title}\n{$message}");
} elseif (Http::clientAccepts($request, 'application/json')) {
$response = $response->withHeader('Content-Type', 'application/json');
$body->write(json_encode(['error' => ['code' => $status, 'message' => $title, 'info' => $message]], JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
} elseif (Http::clientAccepts($request, 'application/xml')) {
$response = $response->withHeader('Content-Type', 'application/xml');
$body->write("<?xml version=\"1.0\"?><error><code>{$status}</code><message>{$title}</message><info>{$message}</info></error>");
}
}
// else render nothing
return $response;
}
function &gen(&$var)
{
(yield nop($var));
}