id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1; $current_site->domain = DOMAIN_CURRENT_SITE; $current_site->path = PATH_CURRENT_SITE; if ( defined( 'BLOG_ID_CURRENT_SITE' ) ) { $current_site->blog_id = BLOG_ID_CURRENT_SITE; } elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) { // deprecated. $current_site->blog_id = BLOGID_CURRENT_SITE; } if ( 0 === strcasecmp( $current_site->domain, $domain ) && 0 === strcasecmp( $current_site->path, $path ) ) { $current_blog = get_site_by_path( $domain, $path ); } elseif ( '/' !== $current_site->path && 0 === strcasecmp( $current_site->domain, $domain ) && 0 === stripos( $path, $current_site->path ) ) { // If the current network has a path and also matches the domain and path of the request, // we need to look for a site using the first path segment following the network's path. $current_blog = get_site_by_path( $domain, $path, 1 + count( explode( '/', trim( $current_site->path, '/' ) ) ) ); } else { // Otherwise, use the first path segment (as usual). $current_blog = get_site_by_path( $domain, $path, 1 ); } } elseif ( ! is_subdomain_install() ) { /* * A "subdomain" install can be re-interpreted to mean "can support any domain". * If we're not dealing with one of these installs, then the important part is determining * the network first, because we need the network's path to identify any sites. */ if ( ! $current_site = wp_cache_get( 'current_network', 'site-options' ) ) { // Are there even two networks installed? $one_network = $wpdb->get_row( "SELECT * FROM $wpdb->site LIMIT 2" ); // [sic] if ( 1 === $wpdb->num_rows ) { $current_site = wp_get_network( $one_network ); wp_cache_add( 'current_network', $current_site, 'site-options' ); } elseif ( 0 === $wpdb->num_rows ) { ms_not_installed(); } } if ( empty( $current_site ) ) { $current_site = get_network_by_path( $domain, $path, 1 ); } if ( empty( $current_site ) ) { ms_not_installed(); } elseif ( $path === $current_site->path ) { $current_blog = get_site_by_path( $domain, $path ); } else { // Search the network path + one more path segment (on top of the network path). $current_blog = get_site_by_path( $domain, $path, substr_count( $current_site->path, '/' ) ); } } else { // Find the site by the domain and at most the first path segment. $current_blog = get_site_by_path( $domain, $path, 1 ); if ( $current_blog ) { $current_site = wp_get_network( $current_blog->site_id ? $current_blog->site_id : 1 ); } else { // If you don't have a site with the same domain/path as a network, you're pretty screwed, but: $current_site = get_network_by_path( $domain, $path, 1 ); } } // The network declared by the site trumps any constants. if ( $current_blog && $current_blog->site_id != $current_site->id ) { $current_site = wp_get_network( $current_blog->site_id ); } // No network has been found, bail. if ( empty( $current_site ) ) { ms_not_installed(); } // @todo Investigate when exactly this can occur. if ( empty( $current_blog ) && defined( 'WP_INSTALLING' ) ) { $current_blog = new stdClass; $current_blog->blog_id = $blog_id = 1; } // No site has been found, bail. if ( empty( $current_blog ) ) { // We're going to redirect to the network URL, with some possible modifications. $scheme = is_ssl() ? 'https' : 'http'; $destination = "$scheme://{$current_site->domain}{$current_site->path}"; /** * Fires when a network can be determined but a site cannot. * * At the time of this action, the only recourse is to redirect somewhere * and exit. If you want to declare a particular site, do so earlier. * * @since 3.9.0 * * @param object $current_site The network that had been determined. * @param string $domain The domain used to search for a site. * @param string $path The path used to search for a site. */ do_action( 'ms_site_not_found', $current_site, $domain, $path ); if ( is_subdomain_install() && ! defined( 'NOBLOGREDIRECT' ) ) { // For a "subdomain" install, redirect to the signup form specifically. $destination .= 'wp-signup.php?new=' . str_replace( '.' . $current_site->domain, '', $domain ); } elseif ( is_subdomain_install() ) { // For a "subdomain" install, the NOBLOGREDIRECT constant // can be used to avoid a redirect to the signup form. // Using the ms_site_not_found action is preferred to the constant. if ( '%siteurl%' !== NOBLOGREDIRECT ) { $destination = NOBLOGREDIRECT; } } elseif ( 0 === strcasecmp( $current_site->domain, $domain ) ) { /* * If the domain we were searching for matches the network's domain, * it's no use redirecting back to ourselves -- it'll cause a loop. * As we couldn't find a site, we're simply not installed. */ ms_not_installed(); } header( 'Location: ' . $destination ); exit; } // @todo What if the domain of the network doesn't match the current site? $current_site->cookie_domain = $current_site->domain; if ( 'www.' === substr( $current_site->cookie_domain, 0, 4 ) ) { $current_site->cookie_domain = substr( $current_site->cookie_domain, 4 ); } // Figure out the current network's main site. if ( ! isset( $current_site->blog_id ) ) { if ( $current_blog->domain === $current_site->domain && $current_blog->path === $current_site->path ) { $current_site->blog_id = $current_blog->blog_id; } elseif ( ! $current_site->blog_id = wp_cache_get( 'network:' . $current_site->id . ':main_site', 'site-options' ) ) { $current_site->blog_id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s", $current_site->domain, $current_site->path ) ); wp_cache_add( 'network:' . $current_site->id . ':main_site', $current_site->blog_id, 'site-options' ); } } $blog_id = $current_blog->blog_id; $public = $current_blog->public; if ( empty( $current_blog->site_id ) ) { // This dates to [MU134] and shouldn't be relevant anymore, // but it could be possible for arguments passed to insert_blog() etc. $current_blog->site_id = 1; } $site_id = $current_blog->site_id; wp_load_core_site_options( $site_id ); } $wpdb->set_prefix( $table_prefix, false ); // $table_prefix can be set in sunrise.php $wpdb->set_blog_id( $current_blog->blog_id, $current_blog->site_id ); $table_prefix = $wpdb->get_blog_prefix(); $_wp_switched_stack = array(); $switched = false; // need to init cache again after blog_id is set wp_start_object_cache(); if ( ! isset( $current_site->site_name ) ) { $current_site->site_name = get_site_option( 'site_name' ); if ( ! $current_site->site_name ) { $current_site->site_name = ucfirst( $current_site->domain ); } } // Define upload directory constants ms_upload_constants();