/**
* Save the settings for this service
*
* @return null|array returns null on success, array of errors on failure
*/
public function save()
{
$classname = $this->get_slug();
$old_data = $this->schedule->get_service_options($classname);
$new_data = isset($_POST[$classname]) ? $_POST[$classname] : array();
$errors = $this->update($new_data, $old_data);
if ($errors && ($errors = array_flip($errors))) {
foreach ($errors as $error => &$field) {
$field = $this->get_slug() . '[' . $field . ']';
}
return array_flip($errors);
}
// Only overwrite settings if they changed
if (!empty($new_data)) {
$this->schedule->set_service_options($classname, $new_data);
}
return array();
}
