phpExtensions.apcu: Move to separate directory

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

@@ -0,0 +1,17 @@
+{ buildPecl, lib, pcre' }:
+
+buildPecl {
+  pname = "apcu";
+
+  version = "5.1.18";
+  sha256 = "0ayykd4hfvdzk7qnr5k6yq5scwf6rb2i05xscfv76q5dmkkynvfl";
+
+  buildInputs = [ pcre' ];
+  doCheck = true;
+  checkTarget = "test";
+  checkFlagsArray = [ "REPORT_EXIT_STATUS=1" "NO_INTERACTION=1" ];
+  makeFlags = [ "phpincludedir=$(dev)/include" ];
+  outputs = [ "out" "dev" ];
+
+  meta.maintainers = lib.teams.php.members;
+}

pkgs/top-level/php-packages.nix

@@ -62,21 +62,7 @@ in
   # or php.withExtensions to extend the functionality of the PHP
   # interpreter.
   extensions = {
-    apcu = buildPecl {
-      version = "5.1.18";
-      pname = "apcu";
-
-      sha256 = "0ayykd4hfvdzk7qnr5k6yq5scwf6rb2i05xscfv76q5dmkkynvfl";
-
-      buildInputs = [ pcre' ];
-      doCheck = true;
-      checkTarget = "test";
-      checkFlagsArray = ["REPORT_EXIT_STATUS=1" "NO_INTERACTION=1"];
-      makeFlags = [ "phpincludedir=$(dev)/include" ];
-      outputs = [ "out" "dev" ];
-
-      meta.maintainers = lib.teams.php.members;
-    };
+    apcu = callPackage ../development/php-packages/apcu { };
 
     apcu_bc = buildPecl {
       version = "1.0.5";