Added PHP PSR validated block comment

Examples:
![2014-10-14 17-25-18](https://cloud.githubusercontent.com/assets/1592053/4631590/ae7f786e-53b6-11e4-8e7e-4e0eb2676d48.png)

![2014-10-14 17-26-18](https://cloud.githubusercontent.com/assets/1592053/4631592/b2d49fc0-53b6-11e4-9d6e-8753333f8e66.png)

Cheers!