From 956c7ef5ce21240c21c7dd1d05a78b38113878a5 Mon Sep 17 00:00:00 2001
From: Eileen McNaughton <emcnaughton@wikimedia.org>
Date: Tue, 28 Feb 2023 12:01:52 +1300
Subject: [PATCH] Remove unnecessary pass-by-reference

---
 CRM/Utils/Mail/Logger.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CRM/Utils/Mail/Logger.php b/CRM/Utils/Mail/Logger.php
index 7290609c21..bc70ae0989 100644
--- a/CRM/Utils/Mail/Logger.php
+++ b/CRM/Utils/Mail/Logger.php
@@ -44,7 +44,7 @@ class CRM_Utils_Mail_Logger {
    * @param string[] $headers
    * @param string $message
    */
-  public static function log(&$to, &$headers, &$message) {
+  public static function log($to, $headers, $message) {
     if (is_array($to)) {
       $toString = implode(', ', $to);
       $fileName = $to[0];
@@ -52,7 +52,7 @@ class CRM_Utils_Mail_Logger {
     else {
       $toString = $fileName = $to;
     }
-    $content = "To: " . $toString . "\n";
+    $content = 'To: ' . $toString . "\n";
     foreach ($headers as $key => $val) {
       $content .= "$key: $val\n";
     }
-- 
2.25.1