Do you think the PHP interpreter is black magic and C is just like alchemy for you? Are you interested in harnessing some of that magic for yourself? This talk will give you an overview of how to develop an extension for PHP using rust. You’ll see how to setup up a simple example and how to add more elaborate features to it. After getting to know some general tips you’ll learn about some pitfalls and how to circumvent them. Equipped with this knowledge you’ll be able to work some of that PHP interpreter magic yourself.