From 1e89b420fd06b2390cd590e0c1365f1ea01ac772 Mon Sep 17 00:00:00 2001
From: Peter Goodhall <peter@magicbug.co.uk>
Date: Wed, 14 Jan 2026 22:47:24 +0000
Subject: [PATCH] Fix JSON encoding for map data with invalid UTF-8

Adds JSON_INVALID_UTF8_SUBSTITUTE to json_encode for $qsos_by_ref and $confirmed to handle invalid UTF-8 data, preventing JavaScript errors when rendering the SOTA map.
---
 application/views/awards/sota/components/map.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/application/views/awards/sota/components/map.php b/application/views/awards/sota/components/map.php
index 9c78bc699..b043916e6 100644
--- a/application/views/awards/sota/components/map.php
+++ b/application/views/awards/sota/components/map.php
@@ -41,7 +41,7 @@ foreach ($summits as $ref => $meta) {
     if (!window.L) { return; }
     
     // QSO data by ref
-    var qsosByRef = <?php echo json_encode($qsos_by_ref); ?>;
+    var qsosByRef = <?php echo json_encode($qsos_by_ref, JSON_INVALID_UTF8_SUBSTITUTE) ?: '{}'; ?>;
     var dateFormat = '<?php echo $custom_date_format; ?>';
     
     var map = L.map('sotaMapCanvas').setView([20,0], 2);
@@ -50,7 +50,7 @@ foreach ($summits as $ref => $meta) {
         attribution: '&copy; OpenStreetMap contributors'
     }).addTo(map);
 
-    var confirmed = <?php echo json_encode(array_keys($confirmed)); ?>;
+    var confirmed = <?php echo json_encode(array_keys($confirmed), JSON_INVALID_UTF8_SUBSTITUTE) ?: '[]'; ?>;
     var confirmedSet = {};
     confirmed.forEach(function(c){ confirmedSet[c] = true; });