GraphQL on PHP: A Complete Guide to Building Modern APIs

The book "GraphQL on PHP" is a practical guide that will help you master a modern approach to building APIs using the PHP language. Unlike traditional REST services, GraphQL allows clients to request only the data they actually need, making applications faster, more flexible, and easier to maintain.

Who is this book for?

• PHP developers who want to transition from REST to more modern GraphQL.
• Backend engineers looking to deepen their knowledge of API design.
• Developers seeking ways to optimize interaction between frontend and backend.
• Students and beginner programmers familiar with PHP basics who want to learn an in-demand technology.

What will you learn from this book?

• GraphQL Basics: what a schema, types, queries, mutations, and subscriptions are.
• Environment Setup: installing and configuring the webonyx/graphql-php library.
• Schema Design: how to properly describe types, relationships, and arguments for maximum performance.
• Query Resolution: writing efficient resolvers, working with databases (MySQL, PostgreSQL) and external APIs.
• Advanced Techniques: error handling, pagination, caching, authentication, and authorization.
• Testing: unit tests and integration tests for GraphQL endpoints.
• Security: protection against SQL injection, query depth limiting, and access control.
• Real-World Project Examples: building a full-fledged API for an online store or social network.

Why should you read this book?

GraphQL is rapidly gaining popularity among large companies (GitHub, Shopify, Facebook) and startups. This book is written by a practicing developer with many years of experience working with PHP and GraphQL. You will not only learn the theory but also get ready-made solutions that you can immediately apply in your projects. Each chapter contains code examples, self-study assignments, and links to useful resources.

The book is suitable for both beginners and experienced developers. If you are already familiar with REST and want to understand how GraphQL is better, or are looking for ways to improve your API's performance, this guide will become your reliable assistant. Start building flexible and scalable APIs today!