/**
* Displays a slideshow that has been registered in the theme using register_slideshow
* @param string $slideshow_id The id of the registered slideshow to display
*/
function display_slideshow($slideshow_id)
{
global $wordpress_slideshows;
// Check that the slideshow is registered
if (!empty($wordpress_slideshows) && !empty($wordpress_slideshows[$slideshow_id])) {
// Get the slideshow that is associated with this ID
$slideshows = get_option(WORDPRESS_SLIDESHOW_OPTION);
// Check that a slideshow is actually associated with that id
if (!empty($slideshows) && !empty($slideshows[$slideshow_id])) {
$slideshow = WordpressSlideshow::find($slideshows[$slideshow_id]);
if (!empty($slideshow)) {
include WORDPRESS_SLIDESHOW_DIR . 'slideshow.php';
}
}
}
}
public static function find($id)
{
if (empty($id)) {
return;
}
global $wpdb;
$query = $wpdb->prepare('SELECT * FROM ' . WORDPRESS_SLIDESHOW_SLIDE_TABLE . ' WHERE id=%s;', $id);
$results = $wpdb->get_results($query);
if (!is_array($results)) {
throw new Exception(__('An error occured looking up for the slides', 'wordpress-slideshow'));
}
if (empty($results)) {
return null;
}
$slide = WordpressSlideshow_Slide::fromQueryResult($results[0]);
$slide->slideshow = WordpressSlideshow::find($slide->slideshow_id);
return $slide;
}
