public function setEmails($emails)
{
if (is_array($emails)) {
$this->_emails = $emails;
} else {
$this->_emails = array();
foreach (explode(',', $emails) as $email) {
$email = trim($email);
if (preg_match(self::EMAIL_PATTERN, $email)) {
$this->_emails[] = $email;
}
}
}
}