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<?php
declare(strict_types=1);
namespace Zanzara\Middleware;
use Zanzara\Context;
/**
* A node of the middleware stack.
* The last node is the callback to be executed and does not have a next node.
*
*/
class MiddlewareNode
{
* @var MiddlewareInterface|callable
private $current;
* @var MiddlewareNode|null
private $next;
* @param MiddlewareInterface|callable $current
* @param MiddlewareNode|null $next
public function __construct($current, ?MiddlewareNode $next = null)
$this->current = $current;
$this->next = $next;
}
* @param Context $ctx
public function __invoke(Context $ctx)
if ($this->current instanceof MiddlewareInterface) {
$this->current->handle($ctx, $this->next);
} else {
call_user_func($this->current, $ctx, $this->next);
badfarm /
zanzara
