phpPackages.phpcs: Move to separate directory

pkgs/development/php-packages/phpcs/default.nix

@@ -0,0 +1,30 @@
+{ mkDerivation, fetchurl, pkgs, lib, php }:
+let
+  pname = "phpcs";
+  version = "3.5.5";
+in
+mkDerivation {
+  inherit pname version;
+
+  src = fetchurl {
+    url = "https://github.com/squizlabs/PHP_CodeSniffer/releases/download/${version}/phpcs.phar";
+    sha256 = "0jl038l55cmzn5ml61qkv4z1w4ri0h3v7h00pcb04xhz3gznlbsa";
+  };
+
+  phases = [ "installPhase" ];
+  nativeBuildInputs = [ pkgs.makeWrapper ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    install -D $src $out/libexec/phpcs/phpcs.phar
+    makeWrapper ${php}/bin/php $out/bin/phpcs \
+      --add-flags "$out/libexec/phpcs/phpcs.phar"
+  '';
+
+  meta = with pkgs.lib; {
+    description = "PHP coding standard tool";
+    license = licenses.bsd3;
+    homepage = "https://squizlabs.github.io/PHP_CodeSniffer/";
+    maintainers = with maintainers; [ javaguirre ] ++ teams.php.members;
+  };
+}