From fc18246b206374ce81d0289c76bba67c6f327ff8 Mon Sep 17 00:00:00 2001
From: Christian Stein <cs@crewsandcaptains.com>
Date: Wed, 8 Jun 2022 14:14:25 +0200
Subject: [PATCH] PreserveText preg_split fix

third parameter must be -1 not null (php 8.1 deprecate warning)
---
 src/PhpWord/Element/PreserveText.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PhpWord/Element/PreserveText.php b/src/PhpWord/Element/PreserveText.php
index c0e64268..803ee4f3 100644
--- a/src/PhpWord/Element/PreserveText.php
+++ b/src/PhpWord/Element/PreserveText.php
@@ -60,7 +60,7 @@ class PreserveText extends AbstractElement
         $this->paragraphStyle = $this->setNewStyle(new Paragraph(), $paragraphStyle);
 
         $this->text = SharedText::toUTF8($text);
-        $matches = preg_split('/({.*?})/', $this->text, null, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
+        $matches = preg_split('/({.*?})/', $this->text, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
         if (isset($matches[0])) {
             $this->text = $matches;
         }