├── .github
    └── workflows
    │   └── automatic-release.yml
├── .gitignore
├── Cargo.toml
├── README.md
├── run.php
└── src
    └── lib.rs


/.github/workflows/automatic-release.yml:
--------------------------------------------------------------------------------
 1 | name: "Automatic Releases"
 2 | 
 3 | on:
 4 |   milestone:
 5 |     types:
 6 |       - "closed"
 7 | 
 8 | jobs:
 9 |   release:
10 |     name: "Automatic release"
11 |     runs-on: ubuntu-latest
12 | 
13 |     steps:
14 |       - name: "Checkout"
15 |         uses: "actions/checkout@v2"
16 | 
17 |       - name: "Release"
18 |         uses: "laminas/automatic-releases@1.0.1"
19 |         with:
20 |           command-name: "laminas:automatic-releases:release"
21 |         env:
22 |           "GITHUB_TOKEN": ${{ secrets.GITHUB_TOKEN }}
23 |           "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
24 |           "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
25 |           "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
26 | 


--------------------------------------------------------------------------------
/.gitignore:
--------------------------------------------------------------------------------
1 | /target
2 | Cargo.lock
3 | 


--------------------------------------------------------------------------------
/Cargo.toml:
--------------------------------------------------------------------------------
 1 | [package]
 2 | name = "rust-adder"
 3 | version = "0.1.0"
 4 | authors = ["James Titcumb <james@asgrim.com>"]
 5 | edition = "2018"
 6 | 
 7 | [lib]
 8 | crate-type = ["cdylib"]
 9 | 
10 | # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
11 | 
12 | [dependencies]
13 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # Rust library as a PHP FFI test
 2 | 
 3 | ## Prerequisites
 4 | 
 5 |  * [Rust+Cargo](https://rustup.rs/)
 6 |  * [PHP](https://www.php.net/manual/en/install.php)
 7 | 
 8 | ## Usage
 9 | 
10 | Build the library:
11 | 
12 | ```bash
13 | $ cargo build
14 | ```
15 | 
16 | Run the PHP file:
17 | 
18 | ```bash
19 | php run.php
20 | ```
21 | 


--------------------------------------------------------------------------------
/run.php:
--------------------------------------------------------------------------------
 1 | <?php
 2 | 
 3 | declare(strict_types=1);
 4 | 
 5 | $ffi = FFI::cdef(
 6 |     "int add_two_numbers(int, int);",
 7 |     __DIR__ . "/target/debug/librust_adder.so"
 8 | );
 9 | 
10 | echo $ffi->add_two_numbers(3, 4) . "\n";
11 | 


--------------------------------------------------------------------------------
/src/lib.rs:
--------------------------------------------------------------------------------
 1 | #[no_mangle]
 2 | pub extern "C" fn add_two_numbers(a: i32, b: i32) -> i32 {
 3 |     return a + b;
 4 | }
 5 | 
 6 | #[cfg(test)]
 7 | mod tests {
 8 |     use crate::add_two_numbers;
 9 | 
10 |     #[test]
11 |     fn it_works() {
12 |         assert_eq!(add_two_numbers(2, 2), 4);
13 |     }
14 | }
15 | 


--------------------------------------------------------------------------------