PHP decorator + __call

class Weapon
{
    public function attack()
    {
        return 10;
    }
}

abstract class Decorator
{
    protected $weapon;

    public function __construct($weapon)
    {
        $this->weapon = $weapon;
    }

    abstract public function attack();

    public function __call($method, $parameters)
    {
        return call_user_func_array([$this->weapon, $method], $parameters);
    }
}

class ToxicDecorator extends Decorator
{
    public function attack()
    {
        return $this->weapon->attack() + 15;
    }

    public function toxic()
    {
        echo 'toxic';
    }
}

class LightingDecorator extends Decorator
{
    public function attack()
    {
        return $this->weapon->attack() + 5;
    }

    public function lighting()
    {
        echo 'lighting';
    }
}

$weapon = new Weapon();
$weapon = new ToxicDecorator($weapon);
$weapon = new LightingDecorator($weapon);
echo $weapon->attack();
echo $weapon->toxic();
echo $weapon->lighting();

// output
// 30
// toxic
// lighting