[REF][PHP8.1] Ensure that NULL is not passed to substr in CRM_Utils_File::addTrailing...

diff --git a/CRM/Utils/System/Base.php b/CRM/Utils/System/Base.php
index 336d07568abf71d5c323eb4b6d8b37cd487f2b81..d2e5fa93bbe66fa9d5e0306cf99e829529a8558c 100644 (file)
--- a/CRM/Utils/System/Base.php
+++ b/CRM/Utils/System/Base.php
@@ -729,7 +729,7 @@ abstract class CRM_Utils_System_Base {
       }
     }
     else {
-      $userFrameworkResourceURL = NULL;
+      $userFrameworkResourceURL = '';
     }
 
     return [