get_trackback_url example

__FUNCTION__,
            '2.5.0',
            sprintf(
                /* translators: %s: get_trackback_url() */
                __( 'Use %s instead if you do not want the value echoed.' ),
                '<code>get_trackback_url()</code>'
            )
        );
    }

    if ( $deprecated_echo ) {
        echo get_trackback_url();
    } else {
        return get_trackback_url();
    }
}

/** * Generates and displays the RDF for the trackback information of current post. * * Deprecated in 3.0.0, and restored in 3.0.1. * * @since 0.71 * * @param int|string $deprecated Not used (Was $timezone = 0). */