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<?php
namespace Schnittstabil\Psr7\Middleware;
/**
* Immutable middleware stack.
*/
class Stack implements StackInterface
{
use CallableStackTrait;
* Create new stack.
*
* @param callable $bottomMiddleware last middleware to be called
public function __construct(callable $bottomMiddleware = null)
$this->middlewareStack = $bottomMiddleware;
}
* Push a middleware onto the top of a new Stack instance.
* @param callable $newTopMiddleware the middleware to be pushed onto the top.
* @return static the new instance
public function add(callable $newTopMiddleware)
$clone = clone $this;
return $clone->push($newTopMiddleware);
* @return static a new stack instance
public static function create(callable $bottomMiddleware = null)
return new self($bottomMiddleware);
schnittstabil /
psr7-middleware-stack
