From 4287f2a8a0edb9e327d0d70d9d85ee98ce7e7527 Mon Sep 17 00:00:00 2001
From: lukinovec <lukinovec@gmail.com>
Date: Mon, 29 Dec 2025 14:14:59 +0100
Subject: [PATCH] Fix `DomainTenantResolver::isSubdomain()`

Previously, the method returned `true` even for central domains, or tenant domains that ended with a central domain (e.g. tenant-app.test when app.test was central domain).
This fix is basically the same as in #1423.
---
 src/Resolvers/DomainTenantResolver.php | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/Resolvers/DomainTenantResolver.php b/src/Resolvers/DomainTenantResolver.php
index 9535cdf2..1a46b6ed 100644
--- a/src/Resolvers/DomainTenantResolver.php
+++ b/src/Resolvers/DomainTenantResolver.php
@@ -13,6 +13,7 @@ use Stancl\Tenancy\Contracts\SingleDomainTenant;
 use Stancl\Tenancy\Contracts\Tenant;
 use Stancl\Tenancy\Exceptions\TenantCouldNotBeIdentifiedOnDomainException;
 use Stancl\Tenancy\Tenancy;
+use Illuminate\Support\Arr;
 
 class DomainTenantResolver extends Contracts\CachedTenantResolver
 {
@@ -58,7 +59,19 @@ class DomainTenantResolver extends Contracts\CachedTenantResolver
 
     public static function isSubdomain(string $domain): bool
     {
-        return Str::endsWith($domain, config('tenancy.identification.central_domains'));
+        $centralDomains = Arr::wrap(config('tenancy.identification.central_domains'));
+
+        foreach ($centralDomains as $centralDomain) {
+            if ($domain === $centralDomain) {
+                return false;
+            }
+
+            if (Str::endsWith($domain, '.' . $centralDomain)) {
+                return true;
+            }
+        }
+
+        return false;
     }
 
     public function resolved(Tenant $tenant, mixed ...$args): void