Loading...

Computer Programming

Backward Compatibility in Software Development with PHP

In this course, you will learn the art of extending software functionalities without disrupting the existing system or breaking backward compatibility. This course is ideal for software developers seeking to expand their expertise in maintaining project stability, compatibility, and performance, while effectively adding new features.

PHP

See path

5 lessons

20 practices

4 hours

Computer Science Fundamentals

Course details

Backward Compatibility and Versioning in PHP

Preview

Enhanced Weather Summary System Implementation

Enhancing Shopping Cart System with Price and Discount Features

Enhancing a Logger Class with Severity Levels in PHP

Enhanced File Reading Utility with JSON Support

Previous Course

Next Course: Interview Practice - Advanced Problem Solving with PHP

Meet Cosmo:

The smartest AI guide in the universe

Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.