Professional PHP: Advanced Techniques

The book "Professional PHP: Advanced Techniques" is intended for developers who have already mastered the basics of the language and want to move to the next level. The author, Alexey Smirnov, a senior developer with 15 years of experience, shares real-world practices used in large commercial projects and highload systems.

This is not another introduction to syntax — you will dive into designing complex architectures, from choosing the right class structure to deploying microservices. Special attention is given to modern approaches: SOLID, GRASP, Dependency Injection, working with queues, caching at the Redis and Varnish level, as well as profiling using Xdebug and Blackfire.

What you will learn:

• How to apply 15+ design patterns (Factory, Strategy, Observer, Repository, etc.) in real projects;
• Performance optimization methods: from opcache tuning to asynchronous task processing via RabbitMQ;
• Secure coding principles: protection against SQL injections, XSS, CSRF, input data validation;
• Practice of unit testing with PHPUnit and integration testing with Codeception;
• Architectural patterns: MVC, HMVC, Event-Driven, CQRS, and Event Sourcing;
• Working with Docker, CI/CD, deployment, and production environment monitoring.

Who this book is for:

• Backend developers with 2+ years of experience in PHP;
• Team Leads and architects who want to systematize their knowledge;
• Specialists transitioning from other languages (Java, Python) to the PHP stack;
• Anyone preparing for technical interviews for the Senior PHP Developer position.

The book is structured as a practical guide: each chapter contains ready-to-use code examples, and at the end of sections, there are assignments for independent work. You will learn not just to write code, but to design flexible, scalable, and easily maintainable systems.

"Professional PHP: Advanced Techniques" will become your desktop reference when creating complex web applications, APIs, and microservice architecture. After reading it, you will be able to confidently solve tasks of any complexity — from refactoring legacy code to developing high-load projects.