get_header_video_settings example

    public function export_header_video_settings( $response, $selective_refresh, $partials ) {
        if ( isset( $partials['custom_header'] ) ) {
            $response['custom_header_settings'] = get_header_video_settings();
        }

        return $response;
    }

    /** * Callback for validating the header_video value. * * Ensures that the selected video is less than 8MB and provides an error message. * * @since 4.7.0 * * @param WP_Error $validity * @param mixed $value * @return mixed */

function the_custom_header_markup() {
    $custom_header = get_custom_header_markup();
    if ( empty( $custom_header ) ) {
        return;
    }

    echo $custom_header;

    if ( is_header_video_active() && ( has_header_video() || is_customize_preview() ) ) {
        wp_enqueue_script( 'wp-custom-header' );
        wp_localize_script( 'wp-custom-header', '_wpCustomHeaderSettings', get_header_video_settings() );
    }
}

/** * Retrieves background image for custom background. * * @since 3.0.0 * * @return string */
function get_background_image() {