php管道模式手测

先写在这里，待完善

interface PipelineInterface{    public function send($traveler);    public function through($stops);    public function via($method);    public function process();}interface StageInterface{    public function handle($payload);}class StageOne implements StageInterface{    public function handle($payload)     {        echo $payload . ' He is a ';    }} class StageTwo implements StageInterface{    public function handle($payload) {        echo 'awesomeman';    }} class Pipe implements PipelineInterface{    protected $container;    protected $passable;    protected $pipes = [];    protected $via = 'handle';    public function __construct($container)    {        $this->container = $container;    }    public function send($passable)    {        $this->passable = $passable;        return $this;    }    public function through($pipes)    {        $this->pipes = is_array($pipes) ? $pipes : func_get_args();        return $this;    }    public function via($method)    {        $this->via = $method;        return $this;    }    public function process()    {        foreach ($this->pipes as $pipe) {            call_user_func([$pipe, $this->via], $this->passable);        }    }}$container = 'a';$payload = 'wa';$pipe = new Pipe($container);$pipe->send($payload)->through([(new StageOne), (new StageTwo)])->process();