/**
  * Deletes a translation
  *
  * @since 0.5
  *
  * @param int $id term id
  */
 public function delete_translation($id)
 {
     global $wpdb;
     $slug = array_search($id, $this->get_translations($id));
     // in case some plugin stores the same value with different key
     parent::delete_translation($id);
     if ($wpdb->get_var($wpdb->prepare("SELECT COUNT( * ) FROM {$wpdb->terms} WHERE term_id = %d;", $id))) {
         // always keep a group for terms to allow relationships remap when importing from a WXR file
         $translations[$slug] = $id;
         wp_insert_term($group = uniqid('pll_'), 'term_translations', array('description' => serialize($translations)));
         wp_set_object_terms($id, $group, 'term_translations');
     }
 }
 /**
  * Deletes a translation
  *
  * @since 0.5
  *
  * @param int $id post id
  */
 public function delete_translation($id)
 {
     parent::delete_translation($id);
     wp_set_object_terms($id, null, $this->tax_translations);
 }