Fix backward compatibility

CHANGELOG.TXT

@@ -1,4 +1,4 @@
-6.7.1 (2024-03-18)
+6.7.2 (2024-03-18)
 	- Fix security issue.
 	- [BREAKING CHANGE] The tcpdf HTML tag syntax has changed, see example_049.php.
 	- New K_ALLOWED_TCPDF_TAGS configuration constant to set the allowed methods for the tcdpf HTML tag.

VERSION

@@ -1 +1 @@
-6.7.1
+6.7.2

composer.json

@@ -12,7 +12,7 @@
         "barcodes"
     ],
     "homepage": "http://www.tcpdf.org/",
-    "version": "6.7.1",
+    "version": "6.7.2",
     "license": "LGPL-3.0-or-later",
     "authors": [
         {

include/tcpdf_static.php

@@ -55,7 +55,7 @@ class TCPDF_STATIC {
 	 * Current TCPDF version.
 	 * @private static
 	 */
-	private static $tcpdf_version = '6.7.1';
+	private static $tcpdf_version = '6.7.2';
 
 	/**
 	 * String alias for total number of pages.

tcpdf.php

@@ -1,7 +1,7 @@
 <?php
 //============================================================+
 // File name   : tcpdf.php
-// Version     : 6.7.1
+// Version     : 6.7.2
 // Begin       : 2002-08-03
 // Last Update : 2024-03-18
 // Author      : Nicola Asuni - Tecnick.com LTD - www.tecnick.com - [email protected]
@@ -128,7 +128,7 @@
  * TCPDF project (http://www.tcpdf.org) has been originally derived in 2002 from the Public Domain FPDF class by Olivier Plathey (http://www.fpdf.org), but now is almost entirely rewritten.<br>
  * @package com.tecnick.tcpdf
  * @brief PHP class for generating PDF documents without requiring external extensions.
- * @version 6.7.1
+ * @version 6.7.2
  * @author Nicola Asuni - [email protected]
  * @IgnoreAnnotation("protected")
  * @IgnoreAnnotation("public")
@@ -4427,7 +4427,7 @@ public function AddFont($family, $style='', $fontfile='', $subset='default') {
 			$this->Error('Unknow font type: '.$type.'');
 		}
 		// set name if unset
-		if (!isset($name) OR empty($name)) {
+		if (empty($name)) {
 			$name = $fontkey;
 		}
 		// create artificial font style variations if missing (only works with non-embedded fonts)
@@ -17240,7 +17240,7 @@ protected function allowedTCPDFtag($method) {
 		if (!defined('K_ALLOWED_TCPDF_TAGS') || empty(K_ALLOWED_TCPDF_TAGS)) {
 			return false;
 		}
-		return str_contains(K_ALLOWED_TCPDF_TAGS, '|'.$method.'|');
+		return (strpos(K_ALLOWED_TCPDF_TAGS, '|'.$method.'|') !== false);
 	}
 
 	/**