define('COOKIE_DOMAIN', '.xxxfff.com');
define('COOKIEHASH', md5('xxxfff.com'));

define('ADMIN_COOKIE_PATH', '/');
define('COOKIEPATH', '/');
define('SITECOOKIEPATH', '/');

require_once $_SERVER['DOCUMENT_ROOT'] . 'blog/wp-load.php';
global $current_user;
$current_user = wp_get_current_user();
//var_dump($current_user->ID);
//var_dump($current_user->display_name);
//var_dump($_COOKIE);

if ( !function_exists( 'is_user_logged_in' ) ) {
    require_once    $_SERVER['DOCUMENT_ROOT'] . 'blog/wp-includes/pluggable.php';
}

$current_user = wp_get_current_user();
if ( 0 == $current_user->ID ) {
    // Not logged in.
    echo 'not logged in';
} else {
    // Logged in.
    echo 'logged in';
}