<?php
/**
* User: Jobs Lin
* Date: 2019/12/14
* Time: 19:52
*/
interface Milldeware {
    public static function handle(Closure $next);
}


class VerfiyCsrfToekn implements Milldeware {


    public static function handle(Closure $next)
    {
        echo '验证csrf Token
';
        $next();
    }
}


class VerfiyAuth implements Milldeware {


    public static function handle(Closure $next)
    {
        echo '验证是否登录
';
        $next();
    }
}


class SetCookie implements Milldeware {
    public static function handle(Closure $next)
    {
        $next();
        echo '设置cookie信息！';
    }
}


$handle = function() {
    echo '当前要执行的程序!';
};


$pipe_arr = [
    'VerfiyCsrfToekn',
    'VerfiyAuth',
    'SetCookie',
];


$callback = array_reduce($pipe_arr,function($stack,$pipe) {
    return function() use($stack,$pipe){
        return $pipe::handle($stack);
    };
},$handle);


call_user_func($callback);