Merge pull request #23870 from eileenmcnaughton/offline
[civicrm-core.git] / CRM / Core / Controller.php
index f31e5f963f72dca2c8d27fb3c47e9d4b57ed7b46..0d642d99f6b13415c06cca2b0826d40f8dc84274 100644 (file)
@@ -484,7 +484,7 @@ class CRM_Core_Controller extends HTML_QuickForm_Controller {
    */
   public function getButtonName() {
     $data = &$this->container();
-    return $data['_qf_button_name'] ?? NULL;
+    return $data['_qf_button_name'] ?? '';
   }
 
   /**