From 9611a05f35beb9e08aede5f1e16bd935c4faee34 Mon Sep 17 00:00:00 2001
From: lukinovec <lukinovec@gmail.com>
Date: Fri, 1 May 2026 09:34:11 +0200
Subject: [PATCH] Skip null parameters, throw for other non-string parameters

---
 src/Database/Concerns/ValidatesDatabaseParameters.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Database/Concerns/ValidatesDatabaseParameters.php b/src/Database/Concerns/ValidatesDatabaseParameters.php
index 90807e4b..26580fa5 100644
--- a/src/Database/Concerns/ValidatesDatabaseParameters.php
+++ b/src/Database/Concerns/ValidatesDatabaseParameters.php
@@ -67,13 +67,17 @@ trait ValidatesDatabaseParameters
         $allowedCharacters ??= static::allowedParameterCharacters();
 
         foreach ((array) $parameters as $parameter) {
-            if (! is_string($parameter)) {
+            if (is_null($parameter)) {
                 // Skip if there's nothing to validate
                 // (e.g. when $tenant->database()->getUsername() of an
                 // improperly created tenant is null and it gets passed).
                 continue;
             }
 
+            if (! is_string($parameter)) {
+                throw new InvalidArgumentException("Parameter has to be a string.");
+            }
+
             foreach (str_split($parameter) as $character) {
                 if (! str_contains($allowedCharacters, $character)) {
                     throw new InvalidArgumentException("Forbidden character '{$character}' in parameter.");