# ffi

This extension allows the loading of shared libraries (.DLL or .so), calling of C functions and accessing of C data structures in pure PHP, without having to have deep knowledge of the Zend extension API, and without having to learn a third “intermediate” language.

| Platform | Url                                                              |
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| PHP.net  | https://www.php.net/manual/en/book.ffi.php                       |