Middleware: What It Is, How It Chains, and When to Write Your Own

Middleware is one of Laravel’s most tested certification topics because it sits at the core of the request lifecycle. This article goes beyond basic syntax to explain how middleware works internally, how the pipeline pattern processes requests, what happens when $next is skipped, and why some middleware never executes. If you want to truly understand Laravel middleware rather than just use it, this is where to start.

How Eloquent Actually Builds Your Models

A deep dive into Laravel Eloquent under the hood — explore how models are resolved, hydrated, and persisted, and uncover the internal mechanics most developers use daily but rarely fully understand.

The Laravel Request Lifecycle, Step by Step

Follow a Laravel HTTP request from start to finish, exploring when the container is built, service providers run, and controllers execute—demystifying the framework step by step.

How the Laravel Service Container Actually Works Under the Hood

Go beyond the “magic” of Laravel’s dependency injection. Learn how the service container works under the hood and why it’s essential for building clean, testable, and maintainable applications.

Answers to Common Questions About the Exam

Let’s answer a few common questions about taking an exam on certificates.dev

How Exam Proctoring Works on Certificates.dev

In this post, we cover proctoring methods for our developer certifications. Learn about how we leverage video monitoring, screen recording, and AI-assisted verification to a fair examination.