Hide permissions table unless custom permissions are enabled

[bookstack] / app / Http / Controllers / Auth / RegisterController.php

diff --git a/app/Http/Controllers/Auth/RegisterController.php b/app/Http/Controllers/Auth/RegisterController.php
index 79d69665298130643405f24a8bfff18d30d20c57..d57105b6293385c4dd6ef163196b908f9b9ac7cf 100644 (file)
--- a/app/Http/Controllers/Auth/RegisterController.php
+++ b/app/Http/Controllers/Auth/RegisterController.php
@@ -142,7 +142,7 @@ class RegisterController extends Controller
 
         if ($registrationRestrict) {
             $restrictedEmailDomains = explode(',', str_replace(' ', '', $registrationRestrict));
-            $userEmailDomain = $domain = substr(strrchr($userData['email'], "@"), 1);
+            $userEmailDomain = $domain = mb_substr(mb_strrchr($userData['email'], "@"), 1);
             if (!in_array($userEmailDomain, $restrictedEmailDomains)) {
                 throw new UserRegistrationException(trans('auth.registration_email_domain_invalid'), '/register');
             }