From 1cff740488834d1c91328f00c727bfb15f6f3afa Mon Sep 17 00:00:00 2001
From: John Boehr <jbboehr@gmail.com>
Date: Thu, 9 Nov 2017 00:14:27 -0800
Subject: [PATCH] Apply changes recommended by @Mic92

---
 pkgs/development/interpreters/php/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 7be3cbd5effa..de8ab8b71813 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -12,7 +12,7 @@ let
     let php7 = lib.versionAtLeast version "7.0";
         mysqlHeaders = mysql.lib.dev or mysql;
         mysqlndSupport = config.php.mysqlnd or false;
-        mysqlBuildInputs = if mysqlndSupport then [] else [ mysqlHeaders ];
+        mysqlBuildInputs = lib.optional (!mysqlndSupport) mysqlHeaders;
 
     in composableDerivation.composableDerivation {} (fixed: {