let
  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-unstable";
  pkgs = import nixpkgs {
    config = { };
    overlays = [ ];
  };
in

pkgs.mkShellNoCC {
  packages = with pkgs; [
    php85
    php85Packages.composer
    php85Packages.php-cs-fixer
    php85Packages.php-codesniffer
  ];
}