From b517d54ea27a3911c4fd644c2e428ed622f7e515 Mon Sep 17 00:00:00 2001
From: Luke Hatfield <lukehatfield@users.noreply.github.com>
Date: Tue, 18 Jan 2022 22:41:23 -0500
Subject: [PATCH] Update recaptcha-v2-checkbox.php

Checking isset on $_POST['g-recaptcha-response'] always passed for me locally on PHP 8.0.14. Changing to !empty actually failed when recaptcha was unchecked, which is the expected behavior.
---
 examples/recaptcha-v2-checkbox.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/recaptcha-v2-checkbox.php b/examples/recaptcha-v2-checkbox.php
index 9395d59..5a67a08 100644
--- a/examples/recaptcha-v2-checkbox.php
+++ b/examples/recaptcha-v2-checkbox.php
@@ -77,7 +77,7 @@
     <h2>Add your keys</h2>
     <p>If you do not have keys already then visit <kbd> <a href = "https://www.google.com/recaptcha/admin">https://www.google.com/recaptcha/admin</a></kbd> to generate them. Edit this file and set the respective keys in the <kbd>config.php</kbd> file or directly to <kbd>$siteKey</kbd> and <kbd>$secret</kbd>. Reload the page after this.</p>
     <?php
-elseif (isset($_POST['g-recaptcha-response'])):
+elseif (!empty($_POST['g-recaptcha-response'])):
     // The POST data here is unfiltered because this is an example.
     // In production, *always* sanitise and validate your input'
     ?>