From 84b3ba745680538f7eb5dc74036fee8277b7e5c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Thu, 28 Oct 2021 15:16:58 +0200
Subject: [PATCH] Fix PHP 8.1 compatibility in ParserState::strsplit()

> Error Message: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated

see sabberworm/PHP-CSS-Parser#338
---
 src/Parsing/ParserState.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Parsing/ParserState.php b/src/Parsing/ParserState.php
index 2dda8c84..e7d85ee0 100644
--- a/src/Parsing/ParserState.php
+++ b/src/Parsing/ParserState.php
@@ -480,7 +480,7 @@ private function strsplit($sString)
     {
         if ($this->oParserSettings->bMultibyteSupport) {
             if ($this->streql($this->sCharset, 'utf-8')) {
-                return preg_split('//u', $sString, null, PREG_SPLIT_NO_EMPTY);
+                return preg_split('//u', $sString, -1, PREG_SPLIT_NO_EMPTY);
             } else {
                 $iLength = mb_strlen($sString, $this->sCharset);
                 $aResult = [];