From 9b3b97a9671ad41c8a7f39088867224c54c6c3bb Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aaron@users.mediawiki.org>
Date: Sun, 18 May 2008 16:09:56 +0000
Subject: [PATCH] $parents is an array (bug 14169)

---
 includes/Title.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/Title.php b/includes/Title.php
index e1422f4b61..792411f896 100644
--- a/includes/Title.php
+++ b/includes/Title.php
@@ -2857,7 +2857,7 @@ class Title {
 	  	$stack = array();
 		$parents = $this->getParentCategories();
 
-		if($parents != '') {
+		if( $parents ) {
 			foreach($parents as $parent => $current) {
 				if ( array_key_exists( $parent, $children ) ) {
 					# Circular reference
-- 
2.20.1