From 163e4ad3227e61aae5d51a5dcf2355264d4bd48d Mon Sep 17 00:00:00 2001
From: Brendan Petty - Totally Web Services
 <40818011+brendanpetty@users.noreply.github.com>
Date: Wed, 14 Feb 2024 14:35:50 +1100
Subject: [PATCH] Avoid deprecated message for null string

PHP 8.1 gives this error if a null value makes its way to this method

mb_strtolower(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/app/vendor/teamtnt/tntsearch/src/Support/Tokenizer.php on line 10
---
 src/Support/Tokenizer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Support/Tokenizer.php b/src/Support/Tokenizer.php
index 8166e27..2cef252 100644
--- a/src/Support/Tokenizer.php
+++ b/src/Support/Tokenizer.php
@@ -7,7 +7,7 @@ class Tokenizer extends AbstractTokenizer implements TokenizerInterface
 
     public function tokenize($text, $stopwords = [])
     {
-        $text  = mb_strtolower($text);
+        $text  = mb_strtolower($text ?? '');
         $split = preg_split($this->getPattern(), $text, -1, PREG_SPLIT_NO_EMPTY);
         return array_diff($split, $stopwords);
     }