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<?php declare(strict_types = 1);
namespace jschreuder\Middle;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Message\ResponseInterface;
final class RequestHandler implements RequestHandlerInterface
{
/** @var \SplStack */
private $stack;
private $called = false;
public function __construct(\SplStack $stack)
$this->stack = $stack;
}
public function handle(ServerRequestInterface $request): ResponseInterface
if ($this->stack->count() === 0) {
throw new \RuntimeException('No more middleware\'s to call on.');
if ($this->called) {
throw new \RuntimeException('Already processed, cannot be ran twice.');
/** @var MiddlewareInterface $next */
$next = $this->stack->pop();
$this->called = true;
return $next->process($request, new self($this->stack));
jschreuder /
Middle
