From cc0a51fd393295d49e32a823709555c171d5efc9 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Niklas=20Laxstr=C3=B6m?= <niklas.laxstrom@gmail.com>
Date: Wed, 23 Apr 2014 14:18:24 +0000
Subject: [PATCH] Don't die on empty keys in MWMemcached

Bug: 64287
Change-Id: Iedfec96286212577a181b83957cdc4545be206d2
---
 includes/objectcache/MemcachedClient.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/includes/objectcache/MemcachedClient.php b/includes/objectcache/MemcachedClient.php
index 9de840b62c..7990053de3 100644
--- a/includes/objectcache/MemcachedClient.php
+++ b/includes/objectcache/MemcachedClient.php
@@ -419,6 +419,12 @@ class MWMemcached {
 			$this->_debugprint( "get($key)\n" );
 		}
 
+		if ( !is_array( $key ) && strval( $key ) === '' ) {
+			$this->_debugprint( "Skipping key which equals to an empty string" );
+			wfProfileOut( __METHOD__ );
+			return false;
+		}
+
 		if ( !$this->_active ) {
 			wfProfileOut( __METHOD__ );
 			return false;
-- 
2.20.1