From 7b15208085d20371c7fdee0c20cc56fec9243878 Mon Sep 17 00:00:00 2001
From: Bryan Davis <bd808@wikimedia.org>
Date: Fri, 12 Dec 2014 13:54:30 -0700
Subject: [PATCH] Guard against empty integerPart in Language::commafy

Fixes:
    Notice: Undefined index: 0 in languages/Language.php on line 3348

Change-Id: I1a00f3af95d3b9b0fd3ad3cc690358fe5b90f58f
---
 languages/Language.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/languages/Language.php b/languages/Language.php
index 9e3abb37fb..01fb986277 100644
--- a/languages/Language.php
+++ b/languages/Language.php
@@ -3345,7 +3345,7 @@ class Language {
 				// the string does not have any number part. Eg: .12345
 				return $sign . $groupedNumber;
 			}
-			$start = $end = strlen( $integerPart[0] );
+			$start = $end = ($integerPart) ? strlen( $integerPart[0] ) : 0;
 			while ( $start > 0 ) {
 				$match = $matches[0][$numMatches - 1];
 				$matchLen = strlen( $match );
-- 
2.20.1