Explicit type-casting for subject

diff --git a/wcfsetup/install/files/lib/system/request/route/DynamicRequestRoute.class.php b/wcfsetup/install/files/lib/system/request/route/DynamicRequestRoute.class.php
index 5e8db21144708ff004434186df8d08c29f5ddb84..ab2b13dabd790439502f72f4885c7620428deed1 100644 (file)
--- a/wcfsetup/install/files/lib/system/request/route/DynamicRequestRoute.class.php
+++ b/wcfsetup/install/files/lib/system/request/route/DynamicRequestRoute.class.php
@@ -231,7 +231,7 @@ class DynamicRequestRoute implements IRequestRoute {
                                        return false;
                                }
                                
-                               if ($pattern && !preg_match($pattern, $components[$component])) {
+                               if ($pattern && !preg_match($pattern, (string) $components[$component])) {
                                        return false;
                                }
                        }