private function update_tm_settings(array $config)
{
$section_singular = $this->index_singular;
$config = array_filter($config);
$config[$section_singular] = isset($config[$section_singular]) ? $config[$section_singular] : array();
$this->sync_settings($config);
// taxonomies - check what's been removed
if (!empty($this->tm_instance->settings[$this->index_ro])) {
$config_values = array();
foreach ($config[$section_singular] as $config_value) {
$config_values[$config_value['value']] = $config_value['attr']['translate'];
}
foreach ($this->tm_instance->settings[$this->index_ro] as $key => $translation_option) {
if (!isset($config_values[$key])) {
unset($this->tm_instance->settings[$this->index_ro][$key]);
}
}
$this->tm_instance->save_settings();
}
}
