From 808c095dc9a6d3ec9ba24761603ed3b17dec6e1d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20Vo=C5=99=C3=AD=C5=A1ek?= <mvorisek@mvorisek.cz>
Date: Tue, 10 Sep 2024 17:58:05 +0200
Subject: [PATCH] Improve critical matching loop a little

+7% speedup
---
 src/Tokenizer.php | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/Tokenizer.php b/src/Tokenizer.php
index ac9836d..b163804 100644
--- a/src/Tokenizer.php
+++ b/src/Tokenizer.php
@@ -899,14 +899,15 @@ private function makeTokenizeRegex(array $regexes): string
      */
     public function tokenize(string $string): Cursor
     {
-        $tokens = [];
+        $tokenizeRegex = $this->tokenizeRegex;
+        $upper         = strtoupper($string);
 
-        $upper  = strtoupper($string);
+        $tokens = [];
         $offset = 0;
 
         while ($offset < strlen($string)) {
             // Get the next token and the token type
-            preg_match($this->tokenizeRegex, $upper, $matches, 0, $offset);
+            preg_match($tokenizeRegex, $upper, $matches, 0, $offset);
             assert(($matches[0] ?? '') !== '');
 
             while (is_int($lastMatchesKey = array_key_last($matches))) {