function horse_odds_shortcode() {

    $options = get_option($this->plugin_name);



    // Cleanup

    $betfair_show = $options['betfair_show'];

    $betfair_username = $options['betfair_username'];

    $betfair_password = $options['betfair_password'];

    $betfair_affiliate_id = $options['betfair_affiliate_id'];

    $smarkets_show = $options['smarkets_show'];

    $smarkets_affiliate_id = $options['smarkets_affiliate_id'];



    return $smarkets_affiliate_id;

}



add_shortcode('horse_odds', 'horse_odds_shortcode');