From 063085528cee56c1954d0c801ad3512538bc7987 Mon Sep 17 00:00:00 2001
From: Marcus Hill <bcf8c9f2@opayq.com>
Date: Sat, 24 Dec 2022 18:30:14 +0000
Subject: [PATCH] Add check of database credentials during setup before they
 are written to config.php

---
 setup.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/setup.php b/setup.php
index 85de0542..f7e2f2f2 100644
--- a/setup.php
+++ b/setup.php
@@ -782,6 +782,14 @@ if(isset($_POST['add_database'])){
   $password = $_POST['password'];
   $config_base_url = $_SERVER['HTTP_HOST'] . dirname($_SERVER['REQUEST_URI']);
 
+  // Test database connection before writing it to config.php
+  try {
+    mysqli_connect($host, $username, $password, $database);
+  }
+  catch (Exception $e) {
+    exit("<b>Database connection failed - please check and try again</b> <br> <br> $e");
+  }
+
   $new_config = array();
   $new_config[] = "<?php\n\n";
   $new_config[] = sprintf("\$dbhost = '%s';\n", addslashes($host));