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<?php
namespace mindplay\middleman;
use Psr\Container\ContainerInterface;
use RuntimeException;
/**
* Optionally, pass this as `$resolver` to {@see Dispatcher::__construct()} to provide
* integration with a dependency injection container - for example:
*
* ```php
* $dispatcher = new Dispatcher(
* [
* RouterMiddleware::class,
* ErrorMiddleware::class,
* ],
* new ContainerResolver($container)
* );
* ```
* Note that this resolver will ignore any middleware component that is not a string - so you
* can mix component names with regular middleware closures, callable objects, and so on.
* You can use class-names or other component names, depending on what your container supports.
* @link http://www.php-fig.org/psr/psr-11/
*/
class ContainerResolver
{
* @var ContainerInterface
private $container;
* @param ContainerInterface $container
public function __construct(ContainerInterface $container)
$this->container = $container;
}
public function __invoke($name)
if (! is_string($name)) {
return $name; // nothing to resolve (may be a closure or other callable middleware object)
if ($this->container->has($name)) {
return $this->container->get($name);
throw new RuntimeException("unable to resolve middleware component name: {$name}");
mindplay-dk /
middleman
