first_name . ( empty( $u->first_name ) ? '' : ' ' ) . $u->last_name; return 'https://www.swarmify.com/landing/w3tc?' . 'email=' . urlencode( $email ) . '&name=' . urlencode( $name ) . '&return=' . urlencode( wp_nonce_url( Util_Ui::admin_url( 'admin.php' ), 'w3tc' ) . '&page=w3tc_extensions&w3tc_swarmify_set_key=set' ); } }