What are some of the big changes PHP has gone through in the past few years? Technology Community › Category: PHP › What are some of the big changes PHP has gone through in the past few years? 0 Vote Up Vote Down VietMX Staff asked 4 years ago Some big ones: PHP 5.0 realised the object model (AKA OOP). 5.1 added PDO – for accessing databases. 5.3 – added namespace support and late static bindings.