From da25498fb9cdf20f6ad91a150eacb06897537128 Mon Sep 17 00:00:00 2001
From: tkawaji <t.kawaji@gmail.com>
Date: Thu, 19 May 2016 15:32:45 +0900
Subject: [PATCH] Fix: fix invalid parameter of mb_substr()

---
 src/Faker/Provider/ja_JP/Text.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Faker/Provider/ja_JP/Text.php b/src/Faker/Provider/ja_JP/Text.php
index b0a41c7983..33da229d4b 100644
--- a/src/Faker/Provider/ja_JP/Text.php
+++ b/src/Faker/Provider/ja_JP/Text.php
@@ -620,7 +620,7 @@ protected static function appendEnd($text)
     {
         // extract the last char of $text
         if (function_exists('mb_substr')) {
-            $last = mb_substr($text, mb_strlen($text)-1, 'UTF-8');
+            $last = mb_substr($text, mb_strlen($text)-1, null, 'UTF-8');
         } else {
             $chars = static::split($text);
             $last = end($chars);