}
interface IClient
{
}
class Client implements IUser, IClient
{
    public function go()
    {
        echo "Human go";
    }
    public function stupid()
    {
        echo "Stupid idiot";
    }
    public function Logining()
    {
        echo "CLient logining";
    }
}
$obj = new Client();
?>
</br><?php 
$obj->go();
?>
</br><?php 
$obj->stupid();
?>
</br><?php 
$obj->logining();
?>
</br>