WordPress at a glance
function is not described

PHPMailer\PHPMailer

PHPMailer::clearReplyTos() public WP 1.0

Clear all ReplyTo recipients.

{} It's a method of the class: PHPMailer{}

No Hooks.

Return

null. Nothing.

Usage

$PHPMailer = new PHPMailer();
$PHPMailer->clearReplyTos();

Code of PHPMailer::clearReplyTos() WP 5.7.2

<?php
public function clearReplyTos()
{
    $this->ReplyTo = [];
    $this->ReplyToQueue = [];
}