The bootcamp for software engineers who want to switch to plumbing.

Is PHP actually slow, or are we just measuring it wrong? We caught up with Volker, PHP 8.5 Release Manager and performance expert at Tideways, to preview his session, "PHP Performance Demystified,"…

🚀 Let's kick off 2026 with a Symfony meetup on January 27th! With the special participation of a member of the Symfony Core Team: **Nicolas Grekas**. Details of the talk

How much time could you save by switching from var_dump to a step debugger? We sat down with Derick Rethans (creator of Xdebug) to preview his upcoming talk at PHP UK Conference. We explore the…

Why write a test for a single bug when you can write a rule that prevents that bug forever? We caught up with Ondřej Mirtes, the creator of PHPStan, to preview his upcoming talk at PHP UK Conference…

How do you effectively test software that relies on events rather than standard CRUD layers? We sat down with the creator of PHPUnit, Sebastian Bergmann, to discuss his talk at PHP UK Conference…

Stats from 10 years of the contents of miniature heroes - GitHub - DaveLiddament/miniature-heroes: Stats from 10 years of the contents of miniature heroes

This one surprised me. It's true, you can have vanity git SHAs! Checkout this repo if you want to find out more: https://github.com/mattbaker/git-vanity-sha

Force-pushing is one of the most dangerous things you can do in Git. It is, sometimes, necessary. In this video, we break down git push --force-with-lease. What it actually does, why it exists, and…

Was a feature working last week and has been reported as broken today? Are there lots of commits to look at to find the issue? If so git bisect to the rescue! This video shows you how to use git…

You know that moment when you’ve just nuked your Git repo… Good news: Git remembers everything. Today's video shows how git reflog is going to save you.

Learn how you can make cherry pick a commit from another branch, on to the branch you're currently work on.

Save typing and your keyboard by using aliases to provide shortcuts for the common git commands you use.

Today we're learning about branches.

Learn how we can use interactive rebase to change commits in the past. In this example we're splitting an existing commit into 2.

My favourite git find of 2025! The combination of git commit --fixup and git rebase -i --autosquash make it easy to retrospectively fix git commits. This one is really worth learning!

Learn how you can reorder commits and combine 2 commits into one with interactive rebase.

Git's rebase functionality is one of its most powerful features. Today we'll learn how to use interactive rebase to reword commit messages.

Today we learn how to split the previous commit into 2 commits using git reset.

Made a mistake with the commit you've just created? Don't panic! With git you can rewrite your git history. Today we take the first step using git commit --amend

Have you spent ages carefully creating a set of changes in the staging area to be committed, only to realise that you want to commit a completely different set of files? If so the git commit -o…

See how you can move untracked files to the working tree using git add -N This allows you to use tools like git add -p on new files.

YouTube video by nunomaduro

In this video we'll see how to use git diff to see what changes we'er about to commit. We'll also see how we can use git restore to unstage changes.

Attributes to define new PHP language features (that are enforced by static analysis) - DaveLiddament/php-language-extensions

Learn about the following git add flags: git add - A git add -u git add -n git add -p

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

With git show we can look at any git commit, tag or branch. We can also you git show to see the contents of a file at any point in the git repo's history.

Learn how you can follow changes to a single method with git.

YouTube video by Dave Liddament

Splits PHPUnit tests into batches. Contribute to DaveLiddament/test-splitter development by creating an account on GitHub.

Learn how the TestTag attribute helps with testing.

YouTube video by GrUSP

Learn how the NamespaceVisibility attribute emulates the missing package visibility modifier.

Learn how the MustUseResult attribute can prevent coding mistakes.

Learn how the Friend attribute can be used to enforce the usage of creational design patterns.

Dave Liddament's technical blog

This lesson looks at the @extends annotation. Today's challenge: https://phpstan.org/r/f6302f8f-2a54-4352-a27b-5829e0ec5def

Today's lesson looks at the @implements annotation. The challenge for the lesson is available here.