From 077175efbef67fbaef1e3145b7d544e1b2c17893 Mon Sep 17 00:00:00 2001
From: neopheus <neopheus@gmail.com>
Date: Mon, 12 Sep 2022 13:48:13 +0200
Subject: [PATCH] Fix : htmlspecialchars(): Passing null to parameter #1
 ($string) of type string is deprecated

htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated
---
 src/PhpWord/Escaper/Xml.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PhpWord/Escaper/Xml.php b/src/PhpWord/Escaper/Xml.php
index a769c5e1..073e297d 100644
--- a/src/PhpWord/Escaper/Xml.php
+++ b/src/PhpWord/Escaper/Xml.php
@@ -27,6 +27,6 @@ class Xml extends AbstractEscaper
     protected function escapeSingleValue($input)
     {
         // todo: omit encoding parameter after migration onto PHP 5.4
-        return htmlspecialchars($input, ENT_QUOTES, 'UTF-8');
+        return (!is_null($input)) ? htmlspecialchars($input, ENT_QUOTES, 'UTF-8') : null;
     }
 }