Refactor

flake.nix

@@ -6,14 +6,17 @@
     let
       system = "x86_64-linux";
       pkgs = import nixpkgs { inherit system; };
+
+      php = pkgs.php83;
+      phpPackages = pkgs.php83Packages;
     in
     with pkgs;
     {
       devShells.${system}.default = mkShell {
         packages = [
           just
-          php83
-          php83Packages.composer
+          php
+          phpPackages.composer
           sqlite
         ];
       };