Using the OOPS approach in PHP has a few advantages. To begin with, it can aid with the organization and simplification of code, making it easier to read and maintain. It can also aid in the reuse and modularization of code. OOPS in PHP can also be used to construct more advanced apps. Using the OOPS principle in PHP has a few disadvantages. One big disadvantage is that it is more difficult to understand and apply than simpler programming models. Furthermore, debugging OOPS-based code can be more complex.