retrieve-sites-multisite.php

<?php
    // Retrieve sites ID and path in WP multisite
$current_id = get_current_blog_id();
     
$args = array('site__not_in' => $current_id);
       
$network_sites = get_sites($args);

        foreach($network_sites as $network_site) {
            echo $network_site->blog_id;
            echo $network_site->path;
        }
?>