From: Eileen McNaughton <emcnaughton@wikimedia.org>
Date: Fri, 22 Oct 2021 03:27:40 +0000 (+1300)
Subject: Remove unnecessary pass-by-reference
X-Git-Url: https://vcs.fsf.org/?a=commitdiff_plain;h=bc6779fe74cf60e0d2d971cee404cb9bf1b8da31;p=civicrm-core.git

Remove unnecessary pass-by-reference
---

diff --git a/CRM/Mailing/Event/BAO/Subscribe.php b/CRM/Mailing/Event/BAO/Subscribe.php
index 71baa417fe..b02455d0cb 100644
--- a/CRM/Mailing/Event/BAO/Subscribe.php
+++ b/CRM/Mailing/Event/BAO/Subscribe.php
@@ -335,7 +335,7 @@ SELECT     civicrm_email.id as email_id
    *   during event registration.
    * @param string $context
    */
-  public static function commonSubscribe(&$groups, &$params, $contactId = NULL, $context = NULL) {
+  public static function commonSubscribe($groups, $params, $contactId = NULL, $context = NULL) {
     $contactGroups = CRM_Mailing_Event_BAO_Subscribe::getContactGroups($params['email'], $contactId);
     $group = [];
     $success = NULL;