Mlp_Translatable_Post_Data::find_post_parents PHP Method

    public function find_post_parents($post_type, $post_parent)
    {
        if (!is_post_type_hierarchical($post_type)) {
            return;
        }
        if (0 < $post_parent) {
            $this->parent_elements = \Inpsyde\MultilingualPress\get_translation_ids($post_parent);
        }
    }