From d26c52400ef1e1de601470586e91ccddc7820c7d Mon Sep 17 00:00:00 2001
From: Benjamin Renard <brenard@easter-eggs.com>
Date: Thu, 22 Feb 2024 19:13:35 +0100
Subject: [PATCH] LSaddon::mail: fix handling CC/BCC headers if not provided as
 array

---
 src/includes/addons/LSaddons.mail.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/includes/addons/LSaddons.mail.php b/src/includes/addons/LSaddons.mail.php
index 72a13efc..3d36cf51 100644
--- a/src/includes/addons/LSaddons.mail.php
+++ b/src/includes/addons/LSaddons.mail.php
@@ -229,6 +229,7 @@ function sendMail($to, $subject, $msg, $headers=null, $attachments=null,
 
   foreach(array_keys($headers) as $header) {
     if(in_array(strtoupper($header), array('BCC', 'CC'))) {
+      $headers[$header] = ensureIsArray($headers[$header]);
       if (isset($MAIL_CATCH_ALL) && $MAIL_CATCH_ALL) {
         $logger -> debug("Mail catched: remove $header header");
         $msg .= sprintf(
@@ -238,7 +239,8 @@ function sendMail($to, $subject, $msg, $headers=null, $attachments=null,
             _("\n%s: %s")
           ),
           strtoupper($header),
-          (is_array($headers[$header])?implode(',', $headers[$header]):$headers[$header]));
+          implode(', ', $headers[$header])
+        );
         unset($headers[$header]);
         continue;
       }