From aecede9ab28e777bc0aa5dbaebc908fa0f2b2abb Mon Sep 17 00:00:00 2001
From: Andreas Hennings <andreas@dqxtech.net>
Date: Tue, 11 Feb 2014 20:35:41 +0100
Subject: [PATCH] Explicit checks for external symbols.

---
 CRM/Utils/System/Base.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/CRM/Utils/System/Base.php b/CRM/Utils/System/Base.php
index d388098d59..c56c371bc6 100644
--- a/CRM/Utils/System/Base.php
+++ b/CRM/Utils/System/Base.php
@@ -92,6 +92,12 @@ abstract class CRM_Utils_System_Base {
       !$print &&
       $config->userFramework == 'WordPress'
     ) {
+      if (!function_exists('is_admin')) {
+        throw new \Exception('Function "is_admin()" is missing, even though WordPress is the user framework.');
+      }
+      if (!defined('ABSPATH')) {
+        throw new \Exception('Constant "ABSPATH" is not defined, even though WordPress is the user framework.');
+      }
       if (is_admin()) {
         require_once (ABSPATH . 'wp-admin/admin-header.php');
       }
-- 
2.25.1