[REF] do not receive by reference in CustomField::create

I audited the places where this is called in core and the  object is not later interogated for changes

diff --git a/CRM/Core/BAO/CustomField.php b/CRM/Core/BAO/CustomField.php
index 308cde26d358b3cab65b0b6818354e5aabd588c0..a6e839cbe980df8e786277974ebfa0c93bb1879a 100644 (file)
--- a/CRM/Core/BAO/CustomField.php
+++ b/CRM/Core/BAO/CustomField.php
@@ -151,7 +151,7 @@ class CRM_Core_BAO_CustomField extends CRM_Core_DAO_CustomField {
    *
    * @return CRM_Core_DAO_CustomField
    */
-  public static function create(&$params) {
+  public static function create($params) {
     $origParams = array_merge(array(), $params);
 
     $op = empty($params['id']) ? 'create' : 'edit';