protected function isMemoryRelevant($memoryPath=null)
	{
		if ($memoryPath === null) $memoryPath = $this->getCurrentMemoryPath();

		//check if there is an array matching the given path
		$arr = $this->memoryMap;
		foreach ($memoryPath as $part) {
			if (!isset($arr[$part])) return false;
			$arr = $arr[$part];
		}

		return true;
	}