From 06a622d334f222a49c67d9152cec63a3fd954cef Mon Sep 17 00:00:00 2001
From: Andrew Collington <a.p.collington@sussex.ac.uk>
Date: Wed, 7 Jun 2017 11:59:24 +0100
Subject: [PATCH] Split out function return value from being used in empty()
 call, making the script compatible with PHP 5.4. (#24)

---
 index.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/index.php b/index.php
index a0743b8..b8ea027 100644
--- a/index.php
+++ b/index.php
@@ -38,7 +38,8 @@ if (!extension_loaded('Zend OPcache')) {
     die('The Zend OPcache extension does not appear to be installed');
 }
 
-if (empty(ini_get('opcache.enable'))) {
+$ocEnabled = ini_get('opcache.enable');
+if (empty($ocEnabled)) {
     die('The Zend OPcache extension is installed but not turned on');
 }