public static function getDatas(Logable $model, Logable $oldModel) {
		$diff = self::getLogDifference($model, $oldModel);
		
		$datas = array();
		foreach ($diff as $key) :
			$datas[] = array(
			    'key' => $key,
			    'new' => $model->{$key},
			    'old' => $oldModel->{$key},
			);
		endforeach;

		return $datas;
	}