Usage example of PHP7 anonymous class (code)

num = 1;
    }
    protected function bar(): int {
        return 10;
    }

    public function drive() {
        return new class($this->num) extends An{
            protected $id;

            public function __construct($num) {
                $this->id = $num;
            }
            public function ea() {
                return $this->id + $this->age + $this->bar();
            }
        };
    }
}
echo (new An())->drive()->ea();