Damien Seguy

Damien Seguy is CTO at Exakat SA., a company specialized in PHP code quality solutions for the industry. He leads the development of the exakat static analysis engine, that automatically review code for version compatibility, security and clear code. Over the last 24 years Damien has contributed to PHP, as documentation author, elephpant breeder, conference UFO on all continents. He also enjoys gremlin and camemberts.

Montreal 2026 sessions

How PHP Is Really Written: Stats, Syntax, and Surprises

English session - Intermediate

We all have opinions about how PHP should be written—but what does the data say about how it actually is? In this talk, we dive into a large-scale analysis of real-world PHP code pulled from the Open Source ecosystem. Using static analysis, we measure the popularity of usage of modern features (attributes, enums, union types), and coding patterns that emerge across thousands of projects.

Prepare Your Code for PHP 9: Overview of PHP 8 Deprecations

English session - Intermediate

Four years after its first version, PHP 8 has already started the work of feature deprecations, targeting PHP 9. This conference offers a complete overview of these changes: from the planned disappearance of certain features to the modernization of basic behaviors. We will detail each major deprecation, explaining the reasons behind these changes, the potential impacts on existing code, and best practices for adopting them today. You will leave w