* @param $args
* @return string title
*/
- function prepare($args)
+ protected function prepare(array $args=array())
{
parent::prepare($args);
$this->code = $this->trimmed('code');
if (!empty($this->code)) {
$this->invite = Invitation::getKV('code', $this->code);
- if (empty($this->invite)) {
+ if (!$this->invite instanceof Invitation) {
// TRANS: Client error displayed when trying to register to an invite-only site without a valid invitation.
$this->clientError(_('Sorry, invalid invitation code.'));
}