From 1819a85bed4738ddd8e716b03acb3b2dff12e570 Mon Sep 17 00:00:00 2001
From: Antoine Musso <hashar@free.fr>
Date: Fri, 24 Mar 2017 15:19:36 +0100
Subject: [PATCH] Check for string initialization in lcfirst() for HHVM 3.18

HHVM 3.18 emits a notice when attempting to access the first offset of
an empty string.  We had that fixed for ucfirst() in 3605066c96. This is
the same for lcfirst().

Bug: T161095
Change-Id: I1456611222c24290f259298e883ca89dd830c74b
---
 languages/classes/LanguageKk.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/languages/classes/LanguageKk.php b/languages/classes/LanguageKk.php
index 0460a6c6bb..3a50987733 100644
--- a/languages/classes/LanguageKk.php
+++ b/languages/classes/LanguageKk.php
@@ -408,7 +408,7 @@ class LanguageKk extends LanguageKk_cyrl {
 	 * @return string
 	 */
 	function lcfirst( $string ) {
-		if ( $string[0] == 'I' ) {
+		if ( substr( $string, 0, 1 ) === 'I' ) {
 			$variant = $this->getPreferredVariant();
 			if ( $variant == 'kk-latn' || $variant == 'kk-tr' ) {
 				return 'ı' . substr( $string, 1 );
-- 
2.20.1