WooTickets Shortcode

/**
 * Register a shortcode that can be embedded in pages/posts and will generate
 * the Woo Tickets form and potentially the ticket forms for any other plugin
 * using the same framework.
 */
add_shortcode('wooticketform', 'wooticketshortcode');

/**
 * Handler for the wooticketform shortcode. Usage is:
 *
 *  [wooticketform eventid="123"]
 *
 * Where 123 is the post ID of the event you are selling tickets to.
 *
 * @param $args
 * @return string
 */
function wooticketshortcode($args) {
    if (!isset($args['eventid'])) return '';

    // We're going to meddle with the post global
    $original_post = $GLOBALS['post'];
    $GLOBALS['post'] = get_post($args['eventid']);

    // Get the ticket form (we may end up with an empty string if nothing has
    // been setup or the wrong ID was specified)
    ob_start();
    tribe_get_ticket_form();
    $form = ob_get_clean();

    // Clean up and return the form
    $GLOBALS['post'] = $original_post;
    return $form;
}