php高级实战-容器模式

<?php

class Luntai
{
    function roll ()
    {
        echo "lun tai zai gun dong";
    }
}

class Bmw
{
    protected $luntai;
    function __construct ($luntai)
    {
        $this->luntai = $luntai;
    }

    function run ()
    {
//        $luntai = new Luntai();
        $this->luntai->roll();

        echo "kai zhe bao ma chi kao cuan";
    }
}

class Container
{
    static $register = [];
    static function bind ($name, Closure $col)
    {
        self::$register[$name] = $col;
    }

    static function make ($name)
    {
        $col = self::$register[$name];

        return $col();
    }
}

Container::bind("luntai", function () {
    return new Luntai();
});

Container::bind('bmw', function () {
    return new Bmw(Container::make('luntai'));
});

$bmw = Container::make('bmw');
$bmw->run();