/**
* get the short url for this anchor
*
* If the anchor has one, this function returns a minimal url.
*
* @return an url to view the anchor page, or NULL
*/
function get_short_url()
{
if (isset($this->item['id'])) {
return 'a~' . reduce_number($this->item['id']);
}
return NULL;
}
/**
* get short link
*
* @param array page attributes
* @return string the short url
*/
public static function &get_short_url($item)
{
$output = 's~' . reduce_number($item['id']);
return $output;
}