I do not recommend to use this library. Documentation except on the main project page I have not found or bad looking. Therefore, its potential can only guess. I read that inside the Taliban there and it's like not able to search on attributes that, in principle and at the docks is not described.
I personally tried to use this library. In the end oplevelse and went back to Simple HTML DOM
For 4 years as the library has not been updated, and supports all the deviants methods of content search.
Simple as a stick and great documentation. For PHP this is probably a must-have.