feat: add PHP environment

README.md

@@ -45,6 +45,7 @@ Once your preferred template has been initialized, you can use the provided shel
 | [Node.js][node]          | [`node`](./node/)         |
 | [OCaml]                  | [`ocaml`](./ocaml/)       |
 | [Open Policy Agent][opa] | [`opa`](./opa)            |
+| [PHP]                    | [`php`](./php/)           |
 | [Protobuf]               | [`protobuf`](./protobuf/) |
 | [Ruby]                   | [`ruby`](./ruby/)         |
 | [Rust]                   | [`rust`](./rust/)         |
@@ -170,6 +171,11 @@ The sections below list what each template includes. In all cases, you're free t
 - [Open Policy Agent][opa] 0.43.0
 - [Conftest] 0.34.0
 
+### [`php`](./php/)
+
+- [PHP][php] 8.1.10
+- [Composer][composer] 2.4.2
+
 ### [`protobuf`](./protobuf/)
 
 - The [Buf CLI][buf] 1.7.0
@@ -222,6 +228,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [cargo-deny]: https://crates.io/crates/cargo-deny
 [clippy]: https://github.com/rust-lang/rust-clippy
 [clojure]: https://clojure.org
+[composer]: https://getcomposer.org/
 [conftest]: https://www.conftest.dev
 [cross]: https://github.com/cross-rs/cross
 [cue]: https://cuelang.org
@@ -284,6 +291,7 @@ All of the templates have only the root [flake](./flake.nix) as a flake input. T
 [packer]: https://packer.io
 [pip]: https://pypi.org/project/pip
 [phoenix]: https://phoenixframework.org
+[php]: https://php.net/
 [pnpm]: https://pnpm.io
 [protobuf]: https://developers.google.com/protocol-buffers
 [python]: https://python.org

flake.nix

@@ -85,6 +85,11 @@
           description = "Open Policy Agent development environment";
         };
 
+        php = {
+          path = ./php;
+          description = "PHP development environment";
+        };
+
         protobuf = {
           path = ./protobuf;
           description = "Protobuf development environment";

php/.envrc

@@ -0,0 +1 @@
+use flake .

php/flake.lock

@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1659877975,
+        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1664349153,
+        "narHash": "sha256-F6ZAHd9qR2lp49L1NiBFZ1NVJdTne56+dkI62glOj/w=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "467132e5ab10f122fbe313ebcc31eeaca65fae42",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

php/flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "A Nix-flake-based PHP development environment";
+
+  inputs = {
+    flake-utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs";
+  };
+
+  outputs =
+    { self
+    , flake-utils
+    , nixpkgs
+    }:
+
+    flake-utils.lib.eachDefaultSystem (system:
+    let
+      overlays = [
+        (self: super: rec {
+          php = super.php;
+          composer = super.phpPackages.composer;
+        })
+      ];
+      pkgs = import nixpkgs { inherit overlays system; };
+    in
+    {
+      devShell = pkgs.mkShell {
+        buildInputs = with pkgs; [ composer php ];
+
+        shellHook = ''
+          echo "`${pkgs.php}/bin/php --version`"
+        '';
+      };
+    });
+}