if (is_single()) {
$post_categories = get_the_category();
$selected = in_array($cat, $post_categories);
// Search for first top level cat of post, and store it
foreach ($post_categories as $key => $post_cat) {
if ($cat->term_id == $post_cat->term_id) {
if (empty($single_root_cat)) {
$selected = true;
$single_root_cat = $cat;
}
break;
}
}
} else {
// See if the current cat or one of its children is selected
$category_children = explode(',', get_category_children_id($cat->cat_ID));
$selected = $is_navigable && (get_query_var('cat') == $cat->term_id || in_array(get_query_var('cat'), $category_children)) && !is_home();
}
global $current_cat_color;
if ($selected) {
$sel_nav_cat_class = 'cat' . $cat->term_id;
$current_cat_color = $cat->description;
}
$cat_class = 'class="' . 'cat' . $cat->term_id;
$cat_class .= $selected ? ' active"' : '"';
?>
<li <?php
echo $cat_class;
?>
>
function get_category_children_id($id)
{
if (0 == $id) {
return '';
}
$cat_ids = get_all_category_ids();
foreach ($cat_ids as $cat_id) {
if ($cat_id == $id) {
continue;
}
$category = get_category($cat_id);
if ($category->category_parent == $id) {
$objects .= $category->cat_ID . ',';
$objects .= get_category_children_id($category->cat_ID);
}
}
return $objects;
}
