From 4bdfceaf54a40fc6d8351d4157f67696f7791173 Mon Sep 17 00:00:00 2001
From: Daniel Schmitzer <daniel@maennchen1.de>
Date: Fri, 15 Dec 2023 09:28:31 +0100
Subject: [PATCH] - PHP 8.2 fixes

---
 src/fpdm.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/fpdm.php b/src/fpdm.php
index fb8627d..254578c 100644
--- a/src/fpdm.php
+++ b/src/fpdm.php
@@ -113,6 +113,8 @@ class FPDM {
 		var $needAppearancesTrue = false;	//boolean, indicates if /NeedAppearances is already set to true
 		var $isUTF8 = false;				//boolean (true for UTF-8, false for ISO-8859-1)
 		
+		protected int $n = 0;
+
         /**
          * Constructor
          *
@@ -1123,7 +1125,7 @@ function _bin2hex($str) {
 			$hex = "";
 			$i = 0;
 			do {
-				$hex .= sprintf("%02X", ord($str[$i]));
+				$hex .= sprintf("%02X", ord($str[$i]??''));
 				$i++;
 			} while ($i < strlen($str));
 			return $hex;