changeset_post_id example

'<p>' . __( 'Sorry, you are not allowed to customize this site.' ) . '</p>',
        403
    );
}

/** * @global WP_Scripts $wp_scripts * @global WP_Customize_Manager $wp_customize */
global $wp_scripts, $wp_customize;

if ( $wp_customize->changeset_post_id() ) {
    $changeset_post = get_post( $wp_customize->changeset_post_id() );

    if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post->ID ) ) {
        wp_die(
            '<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .
            '<p>' . __( 'Sorry, you are not allowed to edit this changeset.' ) . '</p>',
            403
        );
    }

    $missed_schedule = (
        

        if ( ! current_user_can( 'customize' ) || ! $has_post_data_nonce ) {
            unset( $_POST['customized'] );
            unset( $_REQUEST['customized'] );
        }

        /* * If unauthenticated then require a valid changeset UUID to load the preview. * In this way, the UUID serves as a secret key. If the messenger channel is present, * then send unauthenticated code to prompt re-auth. */
        if ( ! current_user_can( 'customize' ) && ! $this->changeset_post_id() ) {
            $this->wp_die( $this->messenger_channel ? 0 : -1, __( 'Non-existent changeset UUID.' ) );
        }

        if ( ! headers_sent() ) {
            send_origin_headers();
        }

        // Hide the admin bar if we're embedded in the customizer iframe.         if ( $this->messenger_channel ) {
            show_admin_bar( false );
        }

        

// Don't show if a block theme is activated and no plugins use the customizer.     if ( wp_is_block_theme() && ! has_action( 'customize_register' ) ) {
        return;
    }

    // Don't show for users who can't access the customizer or when in the admin.     if ( ! current_user_can( 'customize' ) || is_admin() ) {
        return;
    }

    // Don't show if the user cannot edit a given customize_changeset post currently being previewed.     if ( is_customize_preview() && $wp_customize->changeset_post_id()
        && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $wp_customize->changeset_post_id() )
    ) {
        return;
    }

    $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
    if ( is_customize_preview() && $wp_customize->changeset_uuid() ) {
        $current_url = remove_query_arg( 'customize_changeset_uuid', $current_url );
    }

    $customize_url = add_query_arg( 'url', urlencode( $current_url ), wp_customize_url() );