/**
* finds parent of given category
* @access public static
* @param int category_id ID of category
* parent_id or false if root level category
*/
static function find_parent($category_id)
{
$position = Category::get_position($category_id);
$position_slices = explode(">", $position);
$key = count($position_slices) - 3;
$parent = @$position_slices[$key];
if ($parent == '') {
return false;
} else {
return $parent;
}
}
