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<?php
declare(strict_types=1);
namespace Furious\Psr15;
use Furious\Psr15\Exception\MiddlewareAlreadyCalledException;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
use SplQueue;
final class Next implements RequestHandlerInterface
{
private ?SplQueue $queue;
private RequestHandlerInterface $handler;
/**
* Next constructor.
* @param SplQueue $queue
* @param RequestHandlerInterface $handler
*/
public function __construct(?SplQueue $queue, RequestHandlerInterface $handler)
$this->queue = clone $queue;
$this->handler = $handler;
}
public function handle(ServerRequestInterface $request): ResponseInterface
if (null === $this->queue) {
throw new MiddlewareAlreadyCalledException();
if ($this->queue->isEmpty()) {
return $this->handler->handle($request);
/** @var MiddlewareInterface $middleware */
$middleware = $this->queue->dequeue();
$next = clone $this;
$this->queue = null;
return $middleware->process($request, $next);
Furious-PHP /
psr15
