From b3d54cec21f90b151225f14f9ecd0ea2048ceec9 Mon Sep 17 00:00:00 2001
From: Vitaliy Klimin <vklimin@510710.com>
Date: Thu, 11 Jan 2018 19:27:19 +0500
Subject: [PATCH] Update Stemmer.php
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Так будет корректнее.
---
 src/NXP/Stemmer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/NXP/Stemmer.php b/src/NXP/Stemmer.php
index 0188434..73b993c 100644
--- a/src/NXP/Stemmer.php
+++ b/src/NXP/Stemmer.php
@@ -93,7 +93,7 @@ class Stemmer
     public static function removeEndings(&$word, $regex, $region)
     {
         $prefix = mb_substr($word, 0, $region, 'UTF-8');
-        $ending = substr($word, strlen($prefix));
+        $ending = mb_substr($word, mb_strlen($prefix, 'UTF-8'), null, 'UTF-8');
         if (is_array($regex)) {
             if (preg_match('/.+[а|я]' . $regex[0] . '/ui', $ending)) {
                 $word = $prefix . preg_replace('/' . $regex[0] . '/ui', '', $ending);