Some years ago, I worked for a company where my task was to create an Android application for logistics purposes. It was an experimental project. The company didn't use version control. Most of the functionality was implemented in Perl scripts and a...

Introduction AI code review is becoming part of everyday development. These tools promise fast feedback, better suggestions, and the ability to catch problems before code is even committed. This feels like a natural step forward. We moved from manu...

We are starting to trust AI with one of the most important parts of software development: code review. At first, this feels like a natural step. AI writes code, so it can also review it. It is faster, it removes bottlenecks, and it feels consistent....

The Challenges of legacy systems ## Legacy systems are not vulnerable by accident — they become vulnerable as a result of continuous evolution. The decisions made over time, often under pressure to deliver, gradually shape them into what they are t...

During a PHP technical interview, I once asked a candidate about their experience with code reviews. The answer surprised me: > “I’ve been in the industry for four years. I’m not a junior, so I > don’t need code review.” This kind of answer is a wa...

While browsing bugs.php.net1, I found an interesting ticket2. Someone reported a surprising behavior, and I wanted to understand what is happening under the hood—because I think this is a really important concept to understand in PHP internals. Cons...

Security has always been an evergreen topic. Protecting your environment, reputation, and company assets from financial and reputational damage is critical. For today’s developers, it is no longer enough to know language syntax, design principles, or...

In my previous article, “Beyond the Code: Staying Ahead in an AI-Assisted Developer World,1” I wrote about how human collaboration is one of the most important qualities needed to remain competent and prepared in our AI-driven world. Beyond technical...

In IT, we often think the best problem-solvers are those who can write flawless code or debug complex systems in minutes. However, research and real-world experience tell a different story: the most successful teams thrive not because of technical br...

I first came across these ideas in a Hungarian presentation, and they really made me think. In this article, I’d like to share my own interpretation and what it means to me, because I believe it’s relevant and could be useful for others as well. Sen...

Doctors have a saying: primum nil nocere — “first, do no harm.” I first heard it in a medical context, but it stuck with me. Could the same principle apply to programming? Absolutely — especially when working with legacy code. If you work on legacy ...

First, let’s clarify some terms. Dependency Injection DI is a design pattern that implements the Inversion of Control principle. The core idea is that an object should receive its dependencies from outside rather than creating them internally. A serv...

I have already published this article, but I believe it covers essential concepts that are language-independent. I chose PHP and its frameworks to compare inheritance and composition, but the basic ideas can be found in many other languages and frame...

We are living in a fast-paced world where new tools and technologies emerge every day, constantly reshaping the IT industry. One of the most transformative forces today is AI. It’s more than just a trend — it’s becoming a foundational element of mode...

I decided to write a short introduction to Git — and more specifically, what’s going on under the hood. Understanding the internal mechanics of Git can help you better grasp its basic behavior and make it easier to understand commands used in everyda...