<?php
    if(!is_user_logged_in())
        wp_redirect('/login/');
?>

/wp-content/my-theme/my-account/
/wp-content/my-theme/my-account/world.php
/wp-content/my-theme/my-account/subscription.php
/wp-content/my-theme/my-dashboard.php
/wp-content/my-theme/my-files.php

<input type="hidden" name="redirect" value="<?php echo $_SERVER['HTTP_REFERER']; ?>" />

if ( (isset($_GET['action']) && $_GET['action'] != 'logout') || (isset($_POST['login_location']) && !empty($_POST['login_location'])) ) {
        add_filter('login_redirect', 'my_login_redirect', 10, 3);
        function my_login_redirect() {
                $location = $_SERVER['HTTP_REFERER'];
                wp_safe_redirect($location);
                exit();
        }
}

<?php
    if(!is_user_logged_in())
        wp_redirect('/login/?redirect_to=' . $_SERVER["REQUEST_URI"]);
?>

/login.php?redirect_to=/wp-content/my-theme/my-account/subscription.php