PHP 服务窗口示例代码

<?php 

class Container
{
    protected $binds;
    protected $instances;
    
    public function bind($abstract, $concrete)
    {
        if($concrete instanceof Closure) {
            $this->binds[$abstract] = $concrete;
        } else {
            $this->instances[$abstract] = $concrete;
        }
    }
    
    public function make($abstract, $parameters=[]){
        if (isset($this->instances[$abstract])){
            return $this->instances[$abstract];
        }
        array_unshift($parameters, $this);

        return call_user_func_array($this->binds[$abstract], $parameters);
    }
}

interface Phone {
    public function openApp(string $name);
}

class iPhone implements Phone {
    public function openApp(string $name){
        echo __CLASS__ . " run app " . $name . PHP_EOL;
    }
}

class XiaoMi8 implements Phone {
    public function openApp(string $name) {
        echo __CLASS__ . " run app " . $name . PHP_EOL;
    }
}

class People 
{
    public function run (Phone $phone, $name){
        $phone->openApp($name);
    }
}

$xiaomi_8 = function () {
    return new XiaoMi8();
};

$iphone  = function () {
    return new iPhone();
};

$pepole = function () {
    return new People();
};

$app = new Container();
$app->bind(iPhone::class, function() { return new iPhone(); });
$app->bind(XiaoMi8::class, function() { return new XiaoMi8(); });
//$app->bind(People::class, function() { return new People(); });
$app->bind(People::class, new People());

(new People)->run(new XiaoMi8(), 'DonYin');
(new People)->run(new iPhone(), 'WeChat');

$pepole_01 = $app->make(People::class);

$pepole_01->run($app->make(XiaoMi8::class), 'DingTalk');
$pepole_01->run($app->make(iPhone::class), 'DingTalk');
$pepole_01->run($app->make(iPhone::class), 'Baidu Map');

$pepole_02 = $app->make(People::class);

var_dump($pepole_01);
var_dump($pepole_02);
var_dump($pepole_01 === $pepole_02);
var_dump($pepole_01 == $pepole_02);