fix PHPStan error in phpmailer addon

diff --git a/phpmailer/phpmailer.php b/phpmailer/phpmailer.php
index f4bb7753e120d7953eb115462886e0ba8d4a1077..10287a04a31351d15a53d1e8ae40c335ac682b77 100644 (file)
--- a/phpmailer/phpmailer.php
+++ b/phpmailer/phpmailer.php
@@ -28,10 +28,14 @@ function phpmailer_load_config(ConfigFileManager $loader)
 }
 
 /**
- * @param IEmail $email
+ * @param null|IEmail $email
  */
-function phpmailer_emailer_send_prepare(IEmail &$email)
+function phpmailer_emailer_send_prepare(?IEmail &$email)
 {
+       if ($email === null) {
+               return;
+       }
+
        // Passing `true` enables exceptions
        $mailer = new PHPMailer(true);
        try {