From 45bcb13045500a88b583f1f86fce6bf0c2de08c1 Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Mon, 25 Sep 2023 16:32:20 -0400
Subject: [PATCH] Add backtrace to errors in json

---
 web/includes/functions.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/web/includes/functions.php b/web/includes/functions.php
index aeb5f7933..74a6bfc3c 100644
--- a/web/includes/functions.php
+++ b/web/includes/functions.php
@@ -1741,18 +1741,28 @@ function checkJsonError($value) {
     switch ( json_last_error() ) {
       case JSON_ERROR_DEPTH :
         ZM\Error("Unable to decode JSON string '$value', maximum stack depth exceeded");
+        $backTrace = debug_backtrace();
+        ZM\Debug($message.' from '.print_r($backTrace, true));
         break;
       case JSON_ERROR_CTRL_CHAR :
         ZM\Error("Unable to decode JSON string '$value', unexpected control character found");
+        $backTrace = debug_backtrace();
+        ZM\Debug($message.' from '.print_r($backTrace, true));
         break;
       case JSON_ERROR_STATE_MISMATCH :
         ZM\Error("Unable to decode JSON string '$value', invalid or malformed JSON");
+        $backTrace = debug_backtrace();
+        ZM\Debug($message.' from '.print_r($backTrace, true));
         break;
       case JSON_ERROR_SYNTAX :
         ZM\Error("Unable to decode JSON string '$value', syntax error");
+        $backTrace = debug_backtrace();
+        ZM\Debug($message.' from '.print_r($backTrace, true));
         break;
       default :
         ZM\Error("Unable to decode JSON string '$value', unexpected error ".json_last_error());
+        $backTrace = debug_backtrace();
+        ZM\Debug($message.' from '.print_r($backTrace, true));
         break;
       case JSON_ERROR_NONE:
         break;