php-mock is a lightweight PHP library for dynamically creating mock objects for classes and interfaces and functions. It enables easy method mocking, supports class inheritance and interface implementation, and allows flexible customization of mock behavior, making it ideal for unit testing.

Object Oriented Programming: Lambda/Anonymous functions, Closures, Shared Instances and Containers

Closures useful for validating data. Provides type validation amongst other filters.

A fast and intuitive PHP Router

The Closures extension provides a way for users to define templates on the page they are needed through a parser function.

Serializable Closure is a PHP package that allows closures to be serialized and stored, enabling their safe use in persistent storage or across requests.