From 624725200dea271c0a52b593c14140d0c84c4e1c Mon Sep 17 00:00:00 2001
From: jrfnl <jrfnl@users.noreply.github.com>
Date: Tue, 11 May 2021 03:23:11 +0200
Subject: [PATCH] 4.0 | Tokenizer/PHP: defer to predefined regex

---
 src/Tokenizers/PHP.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Tokenizers/PHP.php b/src/Tokenizers/PHP.php
index 99b85478d8..95de0aba21 100644
--- a/src/Tokenizers/PHP.php
+++ b/src/Tokenizers/PHP.php
@@ -1193,7 +1193,7 @@ protected function tokenize($string)
 
             if ($tokenIsArray === true
                 && ($token[0] === T_STRING
-                || preg_match('`^[a-zA-Z_\x80-\xff]`', $token[1]) === 1)
+                || preg_match(self::PHP_LABEL_REGEX, $token[1]) === 1)
             ) {
                 // Get the next non-empty token.
                 for ($i = ($stackPtr + 1); $i < $numTokens; $i++) {