From 1ad8fd5ce907fc2d34d15e29d4d9be332c4abb00 Mon Sep 17 00:00:00 2001
From: "Edward Z. Yang" <ezyang@mit.edu>
Date: Thu, 27 Aug 2009 20:03:31 -0400
Subject: [PATCH] Gracefully deal with null injectors.

Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
---
 library/HTMLPurifier/Strategy/MakeWellFormed.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/HTMLPurifier/Strategy/MakeWellFormed.php b/library/HTMLPurifier/Strategy/MakeWellFormed.php
index feb0c32b..ef0796e0 100644
--- a/library/HTMLPurifier/Strategy/MakeWellFormed.php
+++ b/library/HTMLPurifier/Strategy/MakeWellFormed.php
@@ -83,6 +83,7 @@ class HTMLPurifier_Strategy_MakeWellFormed extends HTMLPurifier_Strategy
             $this->injectors[] = $injector;
         }
         foreach ($custom_injectors as $injector) {
+            if (!$injector) continue;
             if (is_string($injector)) {
                 $injector = "HTMLPurifier_Injector_$injector";
                 $injector = new $injector;