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<?php
namespace League\Route\Strategy;
use \Exception;
use League\Route\Http\Exception\MethodNotAllowedException;
use League\Route\Http\Exception\NotFoundException;
use League\Route\Middleware\ExecutionChain;
use League\Route\Route;
use RuntimeException;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
class ApplicationStrategy implements StrategyInterface
{
/**
* {@inheritdoc}
*/
public function getExecutionChain(Route $route, array $vars)
$middleware = function (
ServerRequestInterface $request, ResponseInterface $response, callable $next
) use (
$route, $vars
) {
$response = call_user_func_array($route->getCallable(), [$request, $response, $vars]);
if (! $response instanceof ResponseInterface) {
throw new RuntimeException(
'Route callables must return an instance of (Psr\Http\Message\ResponseInterface)'
);
}
return $next($request, $response);
};
$execChain = (new ExecutionChain)->middleware($middleware);
// ensure middleware is executed in the order it was added
$stack = array_reverse($route->getMiddlewareStack());
foreach ($stack as $middleware) {
$execChain->middleware($middleware);
return $execChain;
public function getNotFoundDecorator(NotFoundException $exception)
throw $exception;
public function getMethodNotAllowedDecorator(MethodNotAllowedException $exception)
public function getExceptionDecorator(Exception $exception)
thephpleague /
route
