Avoid a deprecated error from PHP8.1 (#573)

Co-authored-by: Nicola Asuni <[email protected]> Co-authored-by: William Desportes <[email protected]>
tecnickcom · Dec 17, 2022 · ef356f0 · ef356f0
1 parent a336b53
commit ef356f0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/include/tcpdf_static.php b/include/tcpdf_static.php
@@ -286,7 +286,7 @@ public static function _escape($s) {
 	 */
 	public static function _escapeXML($str) {
 		$replaceTable = array("\0" => '', '&' => '&amp;', '<' => '&lt;', '>' => '&gt;');
-		$str = strtr($str, $replaceTable);
+		$str = strtr($str === null ? '' : $str, $replaceTable);
 		return $str;
 	}