This article describes a TDD (Test Driven Development) approach to implement a Finite State Machine (FSM) using PHP+Laravel. However, such method is general and could be used in the programming language of your choice.

Classes with a lot of lines of code are generally bad. Too many responsibilities, low cohesion, or both. However, sometimes it is not possible to make functions smaller. Reasons could be various. What can be done in this circumstance?

In this tutorial I will show how to define a Laravel validation rule providing a custom alias string to use in custom validation classes.

Laravel 6 introduced the LazyCollection, a different kind of collection which exploits php generators to save memory usage. While data fetching from database is natively managed by eloquent, Web API-based data fetching is not provided. This article describes how to use a paginated api endpoint to fetch data to a LazyCollection instance.