From 5de0e9c57f3b6250c200de7f4c80cc49bd8d2cbb Mon Sep 17 00:00:00 2001
From: Thomas Pike <thomasp@vivaldi.com>
Date: Fri, 22 Dec 2023 22:00:28 +0000
Subject: [PATCH] Fix null string handling

---
 core.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core.php b/core.php
index 3808fcf..90a2ec0 100644
--- a/core.php
+++ b/core.php
@@ -113,6 +113,7 @@ define('ESC_NONE', 9);
 * @param integer $escaping method of escaping to use
 */
 function out($string, $escaping = ESC_HTML) {
+	if(is_null($string)) return '';
 	switch($escaping) {
 	case ESC_HTML:
 		echo htmlspecialchars($string);
@@ -155,7 +156,7 @@ function outurl($url) {
  * @return string HTML-escaped string
  */
 function hesc($string) {
-	return htmlspecialchars($string);
+	return htmlspecialchars($string ?? '');
 }
 
 function english_list($array) {