Picture of Ondřej Mirtes

Ondřej Mirtes

Ondřej is a full-time open-source software developer. He likes pointing out mistakes in other people's code so much that he created PHPStan, a popular static analyzer that focuses on finding bugs in code without running it. He shares his experience at conferences across the world, offers his expertise as a consultant, and organizes trainings. 

Featured talk

Neos Conference 2026Writing Strongly Typed PHP: Let Types Do the Testing

PHP has come a long way. Readonly properties, enums, property hooks, and a mature static analysis ecosystem now let us say much more about our code in types than before. A machine can check all of it…

View talk