find_changeset_post_id example

    /** * Gets the changeset post ID for the loaded changeset. * * @since 4.7.0 * * @return int|null Post ID on success or null if there is no post yet saved. */
    public function changeset_post_id() {
        if ( ! isset( $this->_changeset_post_id ) ) {
            $post_id = $this->find_changeset_post_id( $this->changeset_uuid() );
            if ( ! $post_id ) {
                $post_id = false;
            }
            $this->_changeset_post_id = $post_id;
        }
        if ( false === $this->_changeset_post_id ) {
            return null;
        }
        return $this->_changeset_post_id;
    }