From 687d0b40a89bfaa5fcf99e76b3094c7c4e744f73 Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre@alapetite.fr>
Date: Mon, 17 Apr 2023 19:53:54 +0200
Subject: Fix safe_ascii (#5311)

Fix https://github.com/FreshRSS/FreshRSS/issues/5310
---
 lib/lib_rss.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/lib_rss.php b/lib/lib_rss.php
index 22af2729b..d4dd1635d 100644
--- a/lib/lib_rss.php
+++ b/lib/lib_rss.php
@@ -132,8 +132,8 @@ function checkUrl(string $url, bool $fixScheme = true) {
 	}
 }
 
-function safe_ascii(string $text): string {
-	return filter_var($text, FILTER_DEFAULT, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH) ?: '';
+function safe_ascii(?string $text): string {
+	return $text === null ? '' : (filter_var($text, FILTER_DEFAULT, FILTER_FLAG_STRIP_LOW | FILTER_FLAG_STRIP_HIGH) ?: '');
 }
 
 if (function_exists('mb_convert_encoding')) {
-- 
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