From cdc93a62bf958702f6a54633ea65d289ab4713b8 Mon Sep 17 00:00:00 2001
From: Brad Jorsch <bjorsch@wikimedia.org>
Date: Wed, 11 May 2016 20:49:21 -0700
Subject: [PATCH] RedisBagOStuff: Fix unserialization of negative numbers

ctype_digit( $data ) doesn't return true if $data is
a negative integer.

Bug: T134923
Change-Id: Ie8a23fc6354a15210e010062e3da3058f4c463bb
---
 includes/objectcache/RedisBagOStuff.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/includes/objectcache/RedisBagOStuff.php b/includes/objectcache/RedisBagOStuff.php
index 61e6926c85..90508dac5f 100644
--- a/includes/objectcache/RedisBagOStuff.php
+++ b/includes/objectcache/RedisBagOStuff.php
@@ -310,7 +310,8 @@ class RedisBagOStuff extends BagOStuff {
 	 * @return mixed
 	 */
 	protected function unserialize( $data ) {
-		return ctype_digit( $data ) ? intval( $data ) : unserialize( $data );
+		$int = intval( $data );
+		return $data === (string)$int ? $int : unserialize( $data );
 	}
 
 	/**
-- 
2.20.1