Functional Programming in PHP: A Primer for Composing Software in PHP

This book is designed to help PHP programmers, whether experienced or looking to advance, transition into the world of Functional Programming (FP).It covers the key concepts and practical applications of FP in PHP, with a particular focus on function composition.By introducing ideas like immutability, referential transparency, and the role of functions in abstraction and generalization, the book aims to give readers the fundamental knowledge necessary to incorporate FP principles into their PHP projects. The book distills the theoretical foundations of paradigmatic concepts such as functors, monads, lenses, pattern matching, and recursion, ideas congruent with the rationale of composing functions, into comprehensive segments that each offer demonstrations of how to apply them in solving problems that occur in everyday PHP development.So robustly intuitive are the demonstrations of paradigmatic concepts that they can easily be revised for deployment in more elaborate and often complex l