From 5bb14113f5f8016b52f9700766f604bb8adb6814 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ondrej=20=C4=8Cerman?= <ocerman@vipo.sk>
Date: Mon, 19 May 2025 15:07:46 +0200
Subject: [PATCH] FIX error for empty hash link

---
 tcpdf.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tcpdf.php b/tcpdf.php
index 5d98a631..7c2c0772 100644
--- a/tcpdf.php
+++ b/tcpdf.php
@@ -19151,7 +19151,7 @@ protected function openHTMLTagHandler($dom, $key, $cell) {
 				$imglink = '';
 				if (isset($this->HREF['url']) AND !TCPDF_STATIC::empty_string($this->HREF['url'])) {
 					$imglink = $this->HREF['url'];
-					if ($imglink[0] == '#' AND is_numeric($imglink[1])) {
+					if ($imglink[0] == '#' AND isset($imglink[1]) AND is_numeric($imglink[1])) {
 						// convert url to internal link
 						$lnkdata = explode(',', $imglink);
 						if (isset($lnkdata[0])) {