This is a short list of PHP hints to avoid common mistakes which I've seen through the years. Others have the same problems and probably already a solution. Remember every own code line in your project costs money and must be maintained. With the following 15 hints can you incredible improve your project quality!

Special hints

If you already follow the 15 hints above, it's time to push yourself to the next level with my another article about Hexagonal Architecture, Domain Driven Design, Event Sourcing, Oh, My!. You know that performance matters, then have a look to PHP profiling tools.

Do you also agree with this or have you an other opinion? Please feel free to start a discussion.

Article picture: Quality by Jason Taellious under CC BY-SA 2.0