!in_array($values['site']['timezone'], DateTimeZone::listIdentifiers())) {
// TRANS: Client error displayed trying to save site settings without a timezone.
$this->clientError(_('Timezone not selected.'));
!in_array($values['site']['timezone'], DateTimeZone::listIdentifiers())) {
// TRANS: Client error displayed trying to save site settings without a timezone.
$this->clientError(_('Timezone not selected.'));