From 37f0f960efe1964d481b217afc0efd6970730205 Mon Sep 17 00:00:00 2001 From: Sergey Biryukov Date: Tue, 26 Jan 2021 13:44:42 +0000 Subject: [PATCH] Mail: Make sure the `SMTP` class is only required once if a plugin requires `wp-includes/class-smtp.php` directly. Follow-up to [48033], [48530]. Props oellin, greatsaltlake, audrasjb. Fixes #52369. See #50716, #41750. git-svn-id: https://develop.svn.wordpress.org/trunk@50022 602fd350-edb4-49c9-b593-d223f7449a82 --- src/wp-includes/class-smtp.php | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/wp-includes/class-smtp.php b/src/wp-includes/class-smtp.php index 7b93997f73..524e655250 100644 --- a/src/wp-includes/class-smtp.php +++ b/src/wp-includes/class-smtp.php @@ -10,6 +10,6 @@ _deprecated_file( __( 'The SMTP class has been moved to the wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace.' ) ); -require __DIR__ . '/PHPMailer/SMTP.php'; +require_once __DIR__ . '/PHPMailer/SMTP.php'; class_alias( PHPMailer\PHPMailer\SMTP::class, 'SMTP' );