Your knowledge. Your toolbox. Our upcoming training courses
Our training courses provide you with practical knowledge that you can apply directly to your projects and expand upon in the long term.
HTML 5, XML, and PHP 🇬🇧
For everybody interested
Finally fully standard-compliant: The new and improved DOM Implementation of PHP 8.4
online (Zoom)
What is new in PHP? 🇬🇧
for all developers
New year, new PHP version! Here you will learn all the relevant improvements.
Tick-Tock, Async O'Clock 🇬🇧
For everybody interested
PHP has no proper async support. Or has it? Let's dive into some of the amazing things that PHP 8 can do.
PHP's Just-in-Time Compiler (JIT) 🇬🇧
Requires programming experience
Learn how PHP works under the hood by understanding how the JIT works. We will also discuss whether it should be used.
CORS - Cross Origin Resource Sharing 🇬🇧
for developers at all levels
Cross-Origin Resource Sharing is a standard mechanism for the controlled integration of distributed web applications. Learn how to implement it correctly and securely.
Podman instead of Docker 🇬🇧
for developers and administrators at all levels
More secure, without root rights & yet fully compatible! Find out why Podman is the better Docker alternative.
Software Modernisation 🇬🇧
requires programming experience
Learn how to transform applications into modern, future-proof and AI ready solutions while they are still in operation.
Code like a Pro 🇬🇧
requires programming experience
Immerse yourself in the world of OOP and become a better software developer thanks to modern PHP.
Domain-Driven Design 🇬🇧
Not just for developers
DDD revolutionises large-scale software projects. Instead of technical complexity, you focus on business logic.
Event Sourcing 🇬🇧
For those interested at all levels
Learn how to use event sourcing to design complex systems that are transparent and robust – explained in a practical and understandable way.
Event-Based Architecture 🇬🇧
requires programming experience
Design and implement scalable, event-based systems – simple, flexible and without unnecessary complexity.
OOP Done Right 🇬🇧
also for career changers
Deepen your knowledge of OOP! Learn advanced techniques that will help you program faster and better.
From software developer to architect 🇬🇧
For interested parties at all levels
Fundamentals of software architecture for complex IT systems that meet functional and qualitative requirements.
Software Modernisation 🇬🇧
requires programming experience
Learn how to transform applications into modern, future-proof and AI ready solutions while they are still in operation.
Code like a Pro 🇬🇧
requires programming experience
Immerse yourself in the world of OOP and become a better software developer thanks to modern PHP.
Domain-Driven Design 🇬🇧
Not just for developers
DDD revolutionises large-scale software projects. Instead of technical complexity, you focus on business logic.
Test Automation with PHPUnit 🇬🇧
for anyone who wants to get started with PHPUnit
Safeguard future changes to your software with tests! Learn how to get started with PHPUnit.
Test Automation with PHPUnit 🇬🇧
for anyone who wants to get started with PHPUnit
Safeguard future changes to your software with tests! Learn how to get started with PHPUnit.
Advanced PHPUnit 🇬🇧
for all who want to deepen their knowledge of PHPUnit
Successful test automation in everyday projects, with solutions for even the trickiest of problems.
Advanced PHPUnit 🇬🇧
for all who want to deepen their knowledge of PHPUnit
Successful test automation in everyday projects, with solutions for even the trickiest of problems.
Test-Driven Development 🇬🇧
for all developers
Develop software goal-oriented! The proven method of test-driven development (TDD) will help you.
Test-Driven Development 🇬🇧
for all developers
Develop software goal-oriented! The proven method of test-driven development (TDD) will help you.
Debugging: Demystified 🇬🇧
for all who want to sharpen their debugging skills
Discover the secrets of PHP debugging and master powerful techniques for your projects.
Advanced Git 🇬🇧
for all who want to deepen their knowledge of Git
Improve your development process! Learn best practices for Git and common problems in everyday programming.
Type-Safe PHP 🇬🇧
for all developers
Find errors before your program is executed! Modern development tools will help you.
Dependency Management 🇬🇧
for all developers
Learn best practices for dealing with dependencies so that updates no longer scare you.
What makes code testable 🇬🇧
for all developers
Maintainable software is future-proof. Testing is important for this, of course. But what makes code testable?
Testing legacy code 🇬🇧
for all developers
Legacy code is valuable, has proven itself over many years, but is usually not sufficiently tested. How can we change that?
Organising Test Suites 🇬🇧
for all PHPUnit users
PHPUnit offers flexible options for structuring a test suite. Which one is right for your project?
Foul-Smelling Tests 🇬🇧
for all developers
Test code must be clean, too! Today, we are improving the quality of your tests.
Using code coverage effectively 🇬🇧
for all PHPUnit users
Do you have enough tests for your code? Here you will learn how to find the answer.
Testing code that talks to the database 🇬🇧
for all developers
Here you will learn how database interaction can be implemented in a testable manner and how it can be tested.
Testing collaborating objects 🇬🇧
for all PHPUnit users
How do we handle code dependencies when testing? Here you will learn everything about test stubs and mock objects.
Testing randomness and time 🇬🇧
for all developers
When testing code, we also have to work with randomness and time. How do we do this correctly?
The shape and size of tests 🇬🇧
for all developers
Software testing comes in many shapes and sizes. Which ones are right for your project?
Dealing with risky tests 🇬🇧
for all PHPUnit users
Tests can be misleading and give a false sense of security. Thanks to feedback from PHPUnit, you can handle these risky tests correctly.
Domain-Specific Assertions 🇬🇧
for all PHPUnit users
Domain-driven design creates a common understanding within the team and reflects this in the code. What does this mean for testing?
Extending and Customising PHPUnit 🇬🇧
for all PHPUnit users
The standard functionality of PHPUnit is often sufficient. You can adapt it to your needs with extensions.
After the launch 🇬🇧
for developers at all levels
Whether patch management or monitoring: there is a lot to consider in addition to further development during operation.
Containerizing PHP Applications 🇬🇧
for developers and administrators with PHP experience
Transform traditional PHP applications step-by-step into modern, containerized setups. Including databases, monitoring and secrets.
Transport Security 🇬🇧
for developers at all levels
Today, nothing works without encrypted transmissions.
Hardening NGINX & PHP-FPM 🇬🇧
for developers and administrators at all levels
NGINX and PHP-FPM have established themselves as runtime environments for PHP applications in everyday life.
Secure Credential Handling 🇬🇧
for developers at all levels
Insecure handling of credentials is a common vulnerability. This training shows modern approaches for secure authentication and credential management.
XSS and the Content Security Policy 🇬🇧
for developers at all levels
Cross-site scripting can be effectively prevented, not least by using a Content Security Policy (CSP).
Security-relevant headers 🇬🇧
for developers at all levels
For optimum security, browsers today expect a large number of additional headers
Injection attacks 🇬🇧
for developers at all levels
Whether accessing the database or using external interfaces: Does your application cope with manipulated inputs and outputs?
Dealing with Concurrency 🇬🇧
for backend developers and software architects
Understand and prevent race conditions: locking strategies, mutex variants, and better ways to avoid data chaos.
Safely Handling Side Effects in Distributed Systems 🇬🇧
for backend developers and software architects
Decouple decisions from side effects: Outbox/Inbox, idempotency, and sagas instead of 2PC.
Attack on the session 🇬🇧
for developers at all levels
Session confidentiality is a fundamental core element of most web applications. It's time to protect it properly.
Authentication 🇬🇧
for developers at all levels
A modern login involves more than just a classic password request. Learn how to implement a secure login today.
Avoiding Complexity 🇬🇧
for developers of all levels
Poor performance and errors after changes: Increasing complexity is the natural enemy of fast and stable software.
Schema changes without downtime 🇬🇧
for developers at all levels
Database changes without downtime? How it works—and why this no longer has to be a problem.
E-mail sending - simple to test 🇬🇧
for developers and administrators at all levels
Testing as if in production: keep e-mail dispatch under control even during development.
Authorization 🇬🇧
for developers at all levels
Insufficient access protection, privilege escalation or indirect, unauthorized access: Learn how to avoid authorization mistakes.
Caddy Server - First Contact 🇬🇧
for developers and administrators at all levels
Caddy Server is a modern web server that is becoming increasingly popular due to its simplicity and automatic HTTPS functions. Time to get to know it better.
API Security 🇬🇧
for developers at all levels
Automated interfaces accessible via the Internet require a special level of security