CRM-17335 - Remove more uses of CRM_Core_DAO::$_nullObject

[civicrm-core.git] / CRM / Activity / Form / Search.php

diff --git a/CRM/Activity/Form/Search.php b/CRM/Activity/Form/Search.php
index fcb09023316f4ca6801035a4651a4f9b1fa3fecd..9cd9c78b1a25921d394e499e007c2fcf91727523 100644 (file)
--- a/CRM/Activity/Form/Search.php
+++ b/CRM/Activity/Form/Search.php
@@ -314,9 +314,7 @@ class CRM_Activity_Form_Search extends CRM_Core_Form_Search {
 
     // Added for membership search
 
-    $signupType = CRM_Utils_Request::retrieve('signupType', 'Positive',
-      CRM_Core_DAO::$_nullObject
-    );
+    $signupType = CRM_Utils_Request::retrieve('signupType', 'Positive');
 
     if ($signupType) {
       $this->_formValues['activity_role'] = 1;
@@ -342,9 +340,7 @@ class CRM_Activity_Form_Search extends CRM_Core_Form_Search {
       }
     }
 
-    $dateLow = CRM_Utils_Request::retrieve('dateLow', 'String',
-      CRM_Core_DAO::$_nullObject
-    );
+    $dateLow = CRM_Utils_Request::retrieve('dateLow', 'String');
 
     if ($dateLow) {
       $dateLow = date('m/d/Y', strtotime($dateLow));
@@ -354,9 +350,7 @@ class CRM_Activity_Form_Search extends CRM_Core_Form_Search {
       $this->_defaults['activity_date_low'] = $dateLow;
     }
 
-    $dateHigh = CRM_Utils_Request::retrieve('dateHigh', 'String',
-      CRM_Core_DAO::$_nullObject
-    );
+    $dateHigh = CRM_Utils_Request::retrieve('dateHigh', 'String');
 
     if ($dateHigh) {
       // Activity date time assumes midnight at the beginning of the date