phplinter\Report\Base::_insert PHP Method

    protected function _insert(&$arr, $parts, $key, $value = null)
    {
        while ($pos = array_shift($parts)) {
            if (!isset($arr[$pos])) {
                $arr[$pos] = array();
            }
            $arr =& $arr[$pos];
        }
        if (is_null($value)) {
            $arr[] = $key;
        } else {
            $arr[$key] = $value;
        }
    }