function ControllerResolver::doGetArguments

File

core/lib/Drupal/Core/Controller/ControllerResolver.php, line 128

Class

ControllerResolver
ControllerResolver to enhance controllers beyond Symfony's basic handling.

Namespace

Drupal\Core\Controller

Code

protected function doGetArguments(Request $request, $controller, array $parameters) {
    // Note this duplicates the deprecation message of
    // Symfony\Component\HttpKernel\Controller\ControllerResolver::getArguments()
    // to ensure it is removed in Drupal 9.
    @trigger_error(sprintf('%s is deprecated as of 8.6.0 and will be removed in 9.0. Inject the "http_kernel.controller.argument_resolver" service instead.', __METHOD__, ArgumentResolverInterface::class), E_USER_DEPRECATED);
    $attributes = $request->attributes
        ->all();
    $arguments = [];
    foreach ($parameters as $param) {
        if (array_key_exists($param->name, $attributes)) {
            $arguments[] = $attributes[$param->name];
        }
        elseif ($param->getClass() && $param->getClass()
            ->isInstance($request)) {
            $arguments[] = $request;
        }
        elseif ($param->getClass() && $param->getClass()->name === ServerRequestInterface::class) {
            $arguments[] = $this->httpMessageFactory
                ->createRequest($request);
        }
        elseif ($param->getClass() && ($param->getClass()->name == RouteMatchInterface::class || is_subclass_of($param->getClass()->name, RouteMatchInterface::class))) {
            $arguments[] = RouteMatch::createFromRequest($request);
        }
        elseif ($param->isDefaultValueAvailable()) {
            $arguments[] = $param->getDefaultValue();
        }
        else {
            if (is_array($controller)) {
                $repr = sprintf('%s::%s()', get_class($controller[0]), $controller[1]);
            }
            elseif (is_object($controller)) {
                $repr = get_class($controller);
            }
            else {
                $repr = $controller;
            }
            throw new \RuntimeException(sprintf('Controller "%s" requires that you provide a value for the "$%s" argument (because there is no default value or because there is a non optional argument after this one).', $repr, $param->name));
        }
    }
    return $arguments;
}

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