BasicDicContainer.php

<?php

class B {
    protected $c;
    public function __construct(C $c) {
        $this->c = $c;
    }
}

class C {}

class MyContainer
{
    protected $instances = array();

    public function __construct()
    {
        $this->instances = array(
            'B' => function (MyContainer $container) {
                return new B($container->get('C'));
            },

            'C' => function(MyContainer $container) {
                return new C();
            },
        );
    }

    public function get($name)
    {
        $cb = $this->instances[$name];

        if ($cb instanceof \Closure) {
            $this->instances[$name] = $cb($this);
        }

        return $this->instances[$name];
    }
}

$container = new MyContainer();
var_dump($container->get('B'));