From efebecfe849b2d4af21f87c3c39dfa0b3747d69b Mon Sep 17 00:00:00 2001
From: xiaomlove <1939737565@qq.com>
Date: Mon, 20 Jan 2025 22:12:40 +0800
Subject: [PATCH] format_comment() empty return

---
 include/functions.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/functions.php b/include/functions.php
index 77329b5c..939a59e3 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -314,13 +314,16 @@ function format_comment($text, $strip_html = true, $xssclean = false, $newtab =
 	global $lang_functions;
 	global $CURUSER, $SITENAME, $BASEURL;
 	global $tempCode, $tempCodeCount;
+    if ($text == '') {
+        return "";
+    }
     $enableattach_attachment = get_setting('attachment.enableattach');
 	$tempCode = array();
 	$tempCodeCount = 0;
 	$imageresizer = $imageresizer ? 1 : 0;
 	$s = $text;
 
-	if ($strip_html && !is_null($s)) {
+	if ($strip_html) {
 		$s = htmlspecialchars($s);
 	}