Home – Jiří Pudil

Hello, I am Jiří Pudil

I am a full-stack web developer from Brno, Czech Republic. I contribute to open-source projects, write a technical blog, and speak at meetups and conferences.

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From my blog

The case for contravariant template types

PHPStan has only supported invariant and covariant template types because they are so prevalent in real-world applications. But contravariant template types also have their use cases, and the latest release of PHPStan adds support for them, among other small improvements to generics.

9 months ago6 min read

The true power of sealed classes

In my recent post, I've introduced a PHPStan extension that brings support for sealed classes and interfaces to statically analyzed PHP. Looking back, I feel I haven't stressed the main benefit enough, so here I am doing it justice.

10 months ago4 min read

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Latest talk

Generics in PHPStan

Generics: an ingenious tool of abstraction for some, a source of nightmares for some, and a great unknown for others. And yet, it's likely that most of us have used them. This talk explains what generics are and illustrates how to use them in PHP thanks to PHPStan.

@ Péhápkáři Brno #42

17 May 2023

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