Method addBcc

/**
 * Add blind carbon copy recipients to the email
 *
 * @param   mixed  $bcc   Either a string or array of strings [email address(es)]
 * @param   mixed  $name  Either a string or array of strings [name(s)]
 *
 * @return  Mail|boolean  Returns this object for chaining on success or boolean false on failure when exception throwing is disabled.
 *
 * @since   1.7.0
 *
 * @throws  phpmailerException  if exception throwing is enabled
 */
public function addBcc($bcc, $name = '')
{
    // If the blind carbon copy recipient is an array, add each recipient... otherwise just add the one
    if (isset($bcc)) {
        return $this->add($bcc, $name, 'addBCC');
    }
    return $this;
}