From 443e135d59e9d227eec818dabf9ee64d7a73d474 Mon Sep 17 00:00:00 2001
From: Christopher Smith <chris@jalakai.co.uk>
Date: Wed, 16 Oct 2013 22:04:01 +0100
Subject: replace boolean conditional checks on possibly uninitialized vars
 with \!empty/empty/isset as appropriate

---
 inc/pageutils.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'inc/pageutils.php')

diff --git a/inc/pageutils.php b/inc/pageutils.php
index bf79daa7d..60f326e04 100644
--- a/inc/pageutils.php
+++ b/inc/pageutils.php
@@ -396,7 +396,7 @@ function resolve_id($ns,$id,$clean=true){
 
     // if the id starts with a dot we need to handle the
     // relative stuff
-    if($id{0} == '.'){
+    if($id && $id{0} == '.'){
         // normalize initial dots without a colon
         $id = preg_replace('/^(\.+)(?=[^:\.])/','\1:',$id);
         // prepend the current namespace
-- 
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