function endHandler($parser, $element)
    {
        $value = array_pop($this->_valStack);
        $data  = $this->postProcess($this->_dataStack[$this->_depth], $element);

        // adjust type of the value
        switch (strtolower($value['type'])) {
            // unserialize an array
            case 'array':
                if ($data !== '') {
                    $value['children']['_content'] = $data;
                }

                $value['value'] = isset($value['children']) ? $value['children'] : array();
                break;

            /*
             * unserialize a null value
             */
            case 'null':
                $data = null;
                break;

            /*
             * unserialize any scalar value
             */
            default:
                settype($data, $value['type']);
                $value['value'] = $data;
                break;
        }

        $parent = array_pop($this->_valStack);
        if ($parent === null) {
            $this->_unserializedData = &$value['value'];
            $this->_root = &$value['name'];
            return true;
        }

        // parent has to be an array
        if (!isset($parent['children']) || !is_array($parent['children'])) {
            $parent['children'] = array();
            if ($parent['type'] != 'array') {
                $parent['type'] = 'array';
            }
        }

        if (!empty($value['name'])) {
            // there already has been a tag with this name
            if (in_array($value['name'], $parent['childrenKeys'])) {
                // no aggregate has been created for this tag
                if (!in_array($value['name'], $parent['aggregKeys'])) {
                    if (isset($parent['children'][$value['name']])) {
                        $parent['children'][$value['name']] = array($parent['children'][$value['name']]);
                    } else {
                        $parent['children'][$value['name']] = array();
                    }
                    array_push($parent['aggregKeys'], $value['name']);
                }
                array_push($parent['children'][$value['name']], $value['value']);
            } else {
                $parent['children'][$value['name']] = &$value['value'];
                array_push($parent['childrenKeys'], $value['name']);
            }
        } else {
            array_push($parent['children'],$value['value']);
        }
        array_push($this->_valStack, $parent);

        $this->_depth--;
    }