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<?php
namespace IdNet\StackRunner;
use Interop\Http\Factory\ResponseFactoryInterface;
use Interop\Http\Server\RequestHandlerInterface;
use Invoker\InvokerInterface;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
class StackRunner implements RequestHandlerInterface
{
/** @var InvokerInterface */
protected $invoker;
protected $stack = [];
protected $current = 0;
/** @var ResponseFactoryInterface */
protected $responseFactory;
public function __construct(
array $stack,
InvokerInterface $invoker,
ResponseFactoryInterface $responseFactory
) {
$this->invoker = $invoker;
$this->stack = $stack;
$this->responseFactory = $responseFactory;
}
public function handle(ServerRequestInterface $request): ResponseInterface
if (!isset($this->stack[$this->current])) {
return $this->responseFactory->createResponse();
$middleware = $this->stack[$this->current];
$this->current++;
return $this->invoker->call([$middleware, 'process'], [
'request' => $request,
'handler' => $this,
]);
ideationnet /
stack-runner
