Merge branch 'php8.1-compat' into 'master'

PHP 8.1 compatibility - don't pull NULL to stripos

See merge request !110

dataprocessor.php

@@ -185,7 +185,7 @@ function dataprocessor_civicrm_config(&$config) {
     }
   }
 
-  $currentUrl = CRM_Utils_System::currentPath();
+  $currentUrl = CRM_Utils_System::currentPath() ?? '';
   if (stripos($currentUrl, 'civicrm/contact/search/custom') !== FALSE && CRM_Utils_Request::retrieve('ssID', 'Integer')
     && class_exists('CRM_Contact_Form_Search_Custom_Base')) {
     // NOTE: Do not load this class unless we're very likely to need it.