/**
* Looks up all child categories for category with $id
* and their children recursively, returning an array containing
* strings that represent the category hierarchy.
*/
public static function getChildrenCategoryStrings($id, $strings, $level)
{
jimport('joomla.application.categories');
$children = JCategories::getInstance('Content')->get($id)->getChildren();
for ($i = 0; $i < count($children); $i++) {
// Append to array.
$strings[] = array('title' => str_repeat(' ', $level) . $children[$i]->get('title'), 'id' => $children[$i]->get('id'));
// Recursively add their children, too.
$strings = modNavSliderHelper::getChildrenCategoryStrings($children[$i]->get('id'), $strings, $level + 1);
}
return $strings;
}
