Alex\MailCatcher\Message::getRecipients PHP Method

    public function getRecipients()
    {
        if (null === $this->recipients) {
            $this->hydrate();
        }
        return $this->recipients;
    }

 /**
  * Asserts that email has a particular number of recipients
  *
  * @param int $num Number expected
  * @param \Alex\MailCatcher\Message $emailMessage  The email
  * @param string $message What to say if it fails
  */
 public static function assertEmailRecipientsCount($num, \Alex\MailCatcher\Message $emailMessage, $message)
 {
     self::assertEquals($num, count($emailMessage->getRecipients()), $message);
 }