diff --git a/modules/services/web-servers/apache-httpd/default.nix b/modules/services/web-servers/apache-httpd/default.nix
index d9a1e7d05fe..d31d62a0308 100644
--- a/modules/services/web-servers/apache-httpd/default.nix
+++ b/modules/services/web-servers/apache-httpd/default.nix
@@ -68,6 +68,7 @@ let
           globalEnvVars = [];
           robotsEntries = "";
           startupScript = "";
+          enablePHP = false;
           phpOptions = "";
           options = {};
         };
@@ -109,7 +110,9 @@ let
       "mime" "dav" "status" "autoindex" "asis" "info" "cgi" "dav_fs"
       "vhost_alias" "negotiation" "dir" "imagemap" "actions" "speling"
       "userdir" "alias" "rewrite" "proxy" "proxy_http"
-    ] ++ optional enableSSL "ssl" ++ extraApacheModules;
+    ] 
+    ++ optional enableSSL "ssl"
+    ++ extraApacheModules;
     
 
   loggingConf = ''
@@ -299,9 +302,11 @@ let
     ${let
         load = {name, path}: "LoadModule ${name}_module ${path}\n";
         allModules =
-          concatMap (svc: svc.extraModulesPre) allSubservices ++
-          map (name: {inherit name; path = "${httpd}/modules/mod_${name}.so";}) apacheModules ++
-          concatMap (svc: svc.extraModules) allSubservices ++ extraForeignModules;
+          concatMap (svc: svc.extraModulesPre) allSubservices
+          ++ map (name: {inherit name; path = "${httpd}/modules/mod_${name}.so";}) apacheModules
+          ++ optional enablePHP { name = "php5"; path = "${pkgs.php}/modules/libphp5.so"; }
+          ++ concatMap (svc: svc.extraModules) allSubservices 
+          ++ extraForeignModules;
       in concatMapStrings load allModules
     }
 
@@ -360,6 +365,9 @@ let
   '';
 
 
+  enablePHP = any (svc: svc.enablePHP) allSubservices;
+
+
   # Generate the PHP configuration file.  Should probably be factored
   # out into a separate module.
   phpIni = pkgs.runCommand "php.ini"
@@ -563,7 +571,7 @@ in
                 optional config.networking.defaultMailServer.directDelivery "${pkgs.ssmtp}/sbin"
              ++ (concatMap (svc: svc.extraServerPath) allSubservices) );
 
-           PHPRC = phpIni;
+           PHPRC = if enablePHP then phpIni else "";
 
            TZ = config.time.timeZone;
 
diff --git a/modules/services/web-servers/apache-httpd/mediawiki.nix b/modules/services/web-servers/apache-httpd/mediawiki.nix
index 71ad6f2ad76..bbd407043c8 100644
--- a/modules/services/web-servers/apache-httpd/mediawiki.nix
+++ b/modules/services/web-servers/apache-httpd/mediawiki.nix
@@ -109,6 +109,8 @@ in
       ''}
     '';
 
+  enablePHP = true;
+
   options = {
 
     id = mkOption {
diff --git a/modules/services/web-servers/apache-httpd/subversion.nix b/modules/services/web-servers/apache-httpd/subversion.nix
index 256e3ca3105..a96d38cd266 100644
--- a/modules/services/web-servers/apache-httpd/subversion.nix
+++ b/modules/services/web-servers/apache-httpd/subversion.nix
@@ -296,10 +296,11 @@ in {
 
   extraModules = [
     { name = "python";  path = "${pkgs.mod_python}/modules/mod_python.so"; }
-    { name = "php5";    path = "${pkgs.php}/modules/libphp5.so"; }
     { name = "dav_svn"; path = "${subversion}/modules/mod_dav_svn.so"; }
   ];
 
+  enablePHP = true;
+
   
   extraConfig = ''
   
diff --git a/modules/services/web-servers/apache-httpd/zabbix.nix b/modules/services/web-servers/apache-httpd/zabbix.nix
index 608c3e48fd0..3c2a30322f4 100644
--- a/modules/services/web-servers/apache-httpd/zabbix.nix
+++ b/modules/services/web-servers/apache-httpd/zabbix.nix
@@ -21,8 +21,7 @@ in
 
 {
 
-  extraModules =
-    [ { name = "php5"; path = "${pkgs.php}/modules/libphp5.so"; } ];
+  enablePHP = true;
 
   phpOptions =
     ''