From bb583fed815bddaab152d7cb0a9da62151bba032 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Fri, 26 Mar 2021 08:24:58 +0100
Subject: [PATCH] Fix PHP8 warning (#7972)

---
 plugins/identity_select/identity_select.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/identity_select/identity_select.php b/plugins/identity_select/identity_select.php
index e0c37232f..5020ff991 100644
--- a/plugins/identity_select/identity_select.php
+++ b/plugins/identity_select/identity_select.php
@@ -49,7 +49,7 @@ class identity_select extends rcube_plugin
      */
     function select($p)
     {
-        if ($p['selected'] !== null || !is_object($p['message']->headers)) {
+        if ($p['selected'] !== null || empty($p['message']->headers)) {
             return $p;
         }