Execute a method in the parent of the parent class

gistfile1.php

<?php

class A
{
  public $data;

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

	public function showData()
	{
		printf("Hello I'm class %s and data is: %s\n", get_class($this), $this->data);
	}
}

class B extends A
{
	public function showData()
	{
		printf("Yo dawg, data is all like this: %s\n", $this->data);
	}
}

class C extends B {}

$myC = new C("ah ha!");
$myC->showData();

$rm = new ReflectionMethod('A', 'showData');
$rm->invoke($myC);