From 7b0ebca728364008c508678bedcc633303788043 Mon Sep 17 00:00:00 2001
From: sgiehl <stefan@matomo.org>
Date: Fri, 13 Dec 2024 16:12:44 +0100
Subject: [PATCH] Ignore empty values for client hints

---
 ClientHints.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ClientHints.php b/ClientHints.php
index 6b4295a6f9..cd98c073be 100644
--- a/ClientHints.php
+++ b/ClientHints.php
@@ -259,6 +259,10 @@ public static function factory(array $headers): ClientHints
         $formFactors     = [];
 
         foreach ($headers as $name => $value) {
+            if (empty($value)) {
+                continue;
+            }
+
             switch (\str_replace('_', '-', \strtolower((string) $name))) {
                 case 'http-sec-ch-ua-arch':
                 case 'sec-ch-ua-arch':