The Ffi Keyword
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This episode is the end of our experimental, and so of our journey. With the C API we have defined, we can now explore the PHP galaxy. First off, we need to discover how to write a PHP extension. Once it's done, we can write improve our skeleton extension to use our Rust parser via C. As usual, we will compare our Rust to C to PHP design versus the current PEG.php solution. Is it faster? Once again, it's amazing how faster it is!
C is the lingua franca of many programming languages. In this episode, we will approach the famous Foreign Function Interface (FFI) by generating a C API in Rust. We will continue by automatically generating C headers so that our interfaces are never outdated. Finally, we will write a small C programs just to test everything works as expected. After all, C is a trampoline to reach other galaxies.