Ticket #35781: 35781.patch

wp-includes/pluggable.php

@@ -525 +525 @@
                 return $phpmailer->Send();
         } catch ( phpmailerException $e ) {
 
-                $mail_error_data = compact( $to, $subject, $message, $headers, $attachments );
+                $mail_error_data = compact( 'to', 'subject', 'message', $headers, $attachments );
 
                 /**
                  * Fires after a phpmailerException is caught.