Ticket #17090: ticket-17090.php

<?php
/* Plugin Name: Ticket 17090
 * Plugin URL: http://core.trac.wordpress.org/ticket/17090
 */

if ( isset( $_GET['debug'] ) )
        add_action( 'admin_init', 'debug_ticket_17090' );
function debug_ticket_17090() {
        global $current_site, $current_blog, $blog_id;
        echo '<pre>';
        echo "Attempted URL: " . $_SERVER['HTTP_HOST'] . remove_query_arg( 'debug', $_SERVER['REQUEST_URI'] ) . "\n";
        echo "Network admin: " . ( is_network_admin() ? 'true' : 'false' ) . "\n";
        echo "Main site: " . ( is_main_site() ? 'true' : 'false' ) . "\n";
        print_r( $current_site );
        print_r( $current_blog );
        echo '</pre>';
        die();
}