@inproceedings{hills-2015-saner,
  author    = {Mark Hills},
  title     = "{Evolution of Dynamic Feature Usage in PHP}",
  booktitle = {Proceedings of the 22nd {IEEE} International Conference on Software Analysis, Evolution, and Reengineering (SANER 2015)},
  pages     = {525--529},
  year      = {2015},
  publisher = {IEEE},
  doi       = {10.1109/SANER.2015.7081870},
}