Mlp_Translatable_Post_Data::get_post_meta_to_transfer PHP Method

    public function get_post_meta_to_transfer()
    {
        /**
         * Filter the to-be-synchronized post meta fields.
         *
         * @param array $post_meta    Post meta fields.
         * @param array $save_context Context of the to-be-saved post.
         */
        $post_meta = apply_filters('mlp_pre_save_post_meta', [], $this->save_context);
        return $post_meta;
    }