Thinking Functionally in PHP

Course overview

Functional programming in PHP 7.4, with a side of category theory and monads accessible to everyone.

5 parts
23 chapters
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Part 1

Preface2 chapters

Begin part
  1. Preface

  2. Introduction

Part 2

Part One10 chapters

Begin part
  1. Pure Functions

  2. First Class Functions

  3. Memoization

  4. Currying

  5. Mapping

  6. Filter

  7. Reducing

  8. Concatenation

  9. Recursion

  10. Immutable Value Objects

Part 3

Part Two4 chapters

Begin part
  1. Category Theory

  2. Categories in Code

  3. Fun With Functors

  4. Algebraic Data Types

Part 4

Part Three4 chapters

Begin part
  1. Handling Null

  2. Either/Or and Error Handling

  3. Tracking Data

  4. Combining Monadic Behavior

Part 5

Part Four3 chapters

Begin part
  1. Features of Functional Languages

  2. When to Go Functional

  3. Further Resources