sblum-symfony--newsletter-class-test.php

<?php

class Newsletter
{
  private $mailer;

  public function __construct()
  {
    $this->mailer = new Mailer('news@demo.de','Demo News','Reply-To: reply@demo.de');
  }

  public function send($recipients, $subject, $message) {
    foreach ($recipients as $to) {
      $this->mailer->send($to, $subject, $message);
    }
  }
}