fuf/functions.php

<?php

/***********************************************************
###################### BrowserSync #########################
************************************************************/

function add_cors_http_header(){
	header('Access-Control-Allow-Origin: https://fuf.ovid:333');
	header('Access-Control-Allow-Credentials: true');
	header('Access-Control-Allow-Headers: X-WP-Nonce', false );
}
add_action('init','add_cors_http_header');

function gwp24_browsersync_save() {
  $args = [
    'blocking' => false,
    'sslverify' => false
  ];
  $request = wp_remote_get('https://fuf.ovid:333/__browser_sync__?method=reload', $args);
}
add_action('rest_after_insert_page', 'gwp24_browsersync_save', 10, 3);
add_action('rest_after_insert_post', 'gwp24_browsersync_save', 10, 3);
add_action('save_post', 'gwp24_browsersync_save', 10, 3);
add_action('customize_save_after', 'gwp24_browsersync_save', 10, 3);
add_action('wp_update_nav_menu', 'gwp24_browsersync_save', 10, 3);
add_action('updated_option', 'gwp24_browsersync_save', 10, 3);