public function getBlockWithKey($key)
	{
		if (isset($this->blocks[$key]))
			return $this->blocks[$key];

		return null;
	}
public function getBlockWithKey($key)
	{
		if (isset($this->blocks[$key]))
			return $this->blocks[$key];

		return null;
	}
Fetch a block using a compiled key
@param $key
@return Block