'; echo '

' . __( 'Upgrade Network' ) . '

'; $action = $_GET['action'] ?? 'show'; switch ( $action ) { case 'upgrade': $n = ( isset( $_GET['n'] ) ) ? (int) $_GET['n'] : 0; if ( $n < 5 ) { update_site_option( 'wpmu_upgrade_site', $wp_db_version ); } $site_ids = get_sites( array( 'spam' => 0, 'deleted' => 0, 'archived' => 0, 'network_id' => get_current_network_id(), 'number' => 5, 'offset' => $n, 'fields' => 'ids', 'order' => 'DESC', 'orderby' => 'id', 'update_site_meta_cache' => false, ) ); if ( empty( $site_ids ) ) { echo '

' . __( 'All done!' ) . '

'; break; } echo '

'; foreach ( (array) $site_ids as $site_id ) { switch_to_blog( $site_id ); $siteurl = site_url(); $upgrade_url = admin_url( 'upgrade.php?step=upgrade_db' ); restore_current_blog(); echo "
• $siteurl
"; $response = wp_remote_get( $upgrade_url, array( 'timeout' => 120, 'httpversion' => '1.1', 'sslverify' => false, ) ); if ( is_wp_error( $response ) ) { wp_die( sprintf( /* translators: 1: Site URL, 2: Server error message. */ __( 'Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: %2$s' ), $siteurl, '' . $response->get_error_message() . '' ) ); } /** * Fires after the Multisite DB upgrade for each site is complete. * * @since MU (3.0.0) * * @param array $response The upgrade response array. */ do_action( 'after_mu_upgrade', $response ); /** * Fires after each site has been upgraded. * * @since MU (3.0.0) * * @param int $site_id The Site ID. */ do_action( 'wpmu_upgrade_site', $site_id ); } echo '

'; ?>