For code that needs future review  I would recommend to add a Todo statement:

```php
* @Todo: this may need review
```

Because the todo statemets are indexed by the IDEs:
![1](https://cloud.githubusercontent.com/assets/1375475/3172309/c8f68728-ebd3-11e3-92e7-8460fcacf593.png)

And we can find them easily later:

![2](https://cloud.githubusercontent.com/assets/1375475/3172313/cd651716-ebd3-11e3-8bc1-59f7d2d73062.png)