public function getSitesIdFromTimezones($timezones)
{
Piwik::checkUserHasSuperUserAccess();
$timezones = Piwik::getArrayFromApiParameter($timezones);
$timezones = array_unique($timezones);
$ids = $this->getModel()->getSitesFromTimezones($timezones);
$return = array();
foreach ($ids as $id) {
$return[] = $id['idsite'];
}
return $return;
}