if (!in_array($this->format, array('xml', 'json'))) {
// TRANS: Client error displayed when coming across a non-supported API method.
$this->clientError(_('API method not found.'), 404);
if (!in_array($this->format, array('xml', 'json'))) {
// TRANS: Client error displayed when coming across a non-supported API method.
$this->clientError(_('API method not found.'), 404);