[PHP] 服务容器绑定接口测试

interface B{
    public function test();
}
class A implements B {

    public function test()
    {
        echo "A。。。\n";
    }
}
class C{
    public function __construct(B $b)
    {
        echo "C类\n";
        $b->test();
    }
}
$app->singleton(
    B::class,
    A::class
);
$c=$app->singleton(
    C::class
);
//$b=$app->make(B::class);
//$b->test();
$c=$app->make(C::class);
$d=$app->make(C::class);
var_dump($c,$d);die;

$c=$app->singleton(
    C::class
);

C类
A。。。
object(C)#27 (0) {
}
object(C)#27 (0) {
}

$c=$app->make(C::class);
$d=$app->make(C::class);
var_dump($c,$d);die;