Maintenance Patterns of Large-Scale PHP Web Applications. - Panos Kyriakakis; Alexander Chatzigeorgiou (ICSME, 2014)

Evolution of method invocation and object instantiation patterns in a PHP ecosystem. - Panos Kyriakakis; Alexander Chatzigeorgiou; Apostolos Ampatzoglou; Stelios Xinogalos (PCI, 2016)

Exploring the frequency and change proneness of dynamic feature pattern instances in PHP applications. - Panos Kyriakakis; Alexander Chatzigeorgiou; Apostolos Ampatzoglou; Stelios Xinogalos (Sci. Comput. Program., 2019)