From 6df74a04298de60bf392d58984b8d950538a1da3 Mon Sep 17 00:00:00 2001
From: Austin Ginder <austinginder@gmail.com>
Date: Thu, 26 Mar 2026 19:25:50 -0400
Subject: [PATCH] Fix Array to string conversion warning in AltSessions.php

When a cookie value is an array and the expected type is 'string',
the (string) cast triggers a PHP warning. Add an is_array() check
to JSON-encode array values before storing.

Fixes #765
---
 lib/Cleantalk/ApbctWP/Variables/AltSessions.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Cleantalk/ApbctWP/Variables/AltSessions.php b/lib/Cleantalk/ApbctWP/Variables/AltSessions.php
index 3c455a887..82a91a9fc 100644
--- a/lib/Cleantalk/ApbctWP/Variables/AltSessions.php
+++ b/lib/Cleantalk/ApbctWP/Variables/AltSessions.php
@@ -224,7 +224,7 @@ public static function setFromRemote($request = null)
                     $cookies_array[$name] = (bool)$value;
                     break;
                 case 'string':
-                    $cookies_array[$name] = (string)$value;
+                    $cookies_array[$name] = is_array($value) ? wp_json_encode($value) : (string)$value;
                     break;
                 case 'json':
                     if ( ! is_string($value) || json_decode($value) === null ) {