PhpMailer, ClearAddresses() won't work, message get sent to everyone - php

Question

I am trying to send different messages to different users. I made an array of email addresses and while iterating through it, I want to send message2 to user2.
While reusing the same mail instance, at the beginning of each iteration I declare $mail -> ClearAddresses(), but now user2 gets the message of user1, and user2... and so one.
What am I missing that the Address won't get cleared at the beginning of the iteration?
Thanks!
// settings
$mail = new PHPMailer;
$mail->isSMTP(); // Set mailer to use SMTP
$mail->Host = 'xxx'; // Specify main and backup SMTP servers
$mail->SMTPAuth = true; // Enable SMTP authentication
$mail->Username = 'xxx'; // SMTP username
$mail->Password = 'xxx'; // SMTP password
$mail->SMTPSecure = 'ssl'; // Enable TLS encryption, `ssl` also accepted
$mail->Port = 465;
$mail->CharSet = "UTF-8"; // TCP port to connect to
function sendInvoice($mail, $addresses) {
foreach($addresses as $recipient) {
$mail->ClearAddresses();
$mail->setFrom('mail#domain.eu', 'My Server');
$mail->addAddress($recipient['email'], $recipient['name']); // Add a recipient
$mail->addReplyTo('mail#domain.eu', 'My Server');
$mail->isHTML(true);
$mail->Subject = $recipient[subject];
//$mail->Body = $message;
$mail->MsgHTML($recipient[message]);
if (! $mail->send()) {
echo 'Message could not be sent.';
echo 'Mailer Error: ' . $mail->ErrorInfo;
} else {
//echo 'Message has been sent';
}
}
}

Answer 1

In your code, change:
$mail->ClearAddresses();
to:
$mail->ClearAllRecipients();
This should fix the problem.