CRM-16580 avoid matching cid to user id if null

diff --git a/CRM/Core/Form.php b/CRM/Core/Form.php
index 6441a57502e352f6997b110417323140cd101e66..51d47be869d82abb7b23a4714902fb2888450601 100644 (file)
--- a/CRM/Core/Form.php
+++ b/CRM/Core/Form.php
@@ -1603,7 +1603,7 @@ class CRM_Core_Form extends HTML_QuickForm_Page {
 
     $userID = $this->getLoggedInUserContactID();
 
-    if ($tempID == $userID) {
+    if (!is_null($tempID) && $tempID === $userID) {
       return (int) $userID;
     }