function get_taxonomy_hierarchy($taxonomy, $parent = 0)
{
// only 1 taxonomy
$taxonomy = is_array($taxonomy) ? array_shift($taxonomy) : $taxonomy;
// get all direct decendents of the $parent
$terms = get_terms($taxonomy, array('parent' => $parent));
// prepare a new array. these are the children of $parent
// we'll ultimately copy all the $terms into this new array, but only after they
// find their own children
$children = array();
// go through all the direct decendents of $parent, and gather their children
foreach ($terms as $term) {
// recurse to get the direct decendents of "this" term
$term->children = get_taxonomy_hierarchy($taxonomy, $term->term_id);
// add the term to our new array
$children[$term->term_id] = $term;
}
// send the results back to the caller
return $children;
}
public function widget($args, $instance)
{
$title = apply_filters('widget_title', $instance['title']);
echo $args['before_widget'];
$programs = get_taxonomy_hierarchy('program_category');
$programs_html = '<div class="kst-finance-cont">';
if (!empty($title)) {
$programs_html .= '<h4>' . $title . '</h4>';
}
foreach ($programs as $program) {
$programs_html .= '<ul class="kst-finance-programs">';
$programs_html .= '<li><a href="' . get_term_link($program) . '" title="' . sprintf(__('View all post filed under %s', 'mortgagehouse'), $program->name) . '">' . $program->name . '</a></li>';
$programs_html .= '<ul>';
foreach ($program->children as $child) {
$programs_html .= '<li><a href="' . get_term_link($child) . '" title="' . sprintf(__('View all post filed under %s', 'mortgagehouse'), $child->name) . '">' . $child->name . '</a></li>';
}
$programs_html .= '</ul>';
$programs_html .= '</ul>';
}
echo $programs_html . '</div>';
echo $args['after_widget'];
}