<?php/*    [UCenter] (C)2001-2008 Comsenz Inc.    This is NOT a freeware, use is subject to license terms    $Id: db.class.php 12126 2008-01-11 09:40:32Z heyond $*/function xml_unserialize(&$xml) {    $xml_parser = new XML();    $data = $xml_parser->parse($xml);    $xml_parser->destruct();    $arr = xml_format_array($data);    return $arr['root'];}function xml_serialize(&$data, $htmlon = 0, $level = 1) {    $space = str_repeat("\t", $level);    $cdatahead = $htmlon ? '<![CDATA[' : '';    $cdatafoot = $htmlon ? ']]>' : '';    $s = '';    if(!empty($data)) {        foreach($data as $key=>$val) {            if(!is_array($val)) {                $val = "$cdatahead$val$cdatafoot";                if(is_numeric($key)) {                    $s .=  "$space<item_$key>$val</item_$key>";                } elseif($key === '') {                    $s .= '';                } else {                    $s .= "$space<$key>$val</$key>";                }            } else {                if(is_numeric($key)) {                    $s .=  "$space<item_$key>".xml_serialize($val, $htmlon, $level+1)."$space</item_$key>";                } elseif($key === '') {                    $s .= '';                } else {                    $s .= "$space<$key>".xml_serialize($val, $htmlon, $level+1)."$space</$key>";                }            }        }    }    $s = preg_replace("/([\x01-\x09\x0b-\x0c\x0e-\x1f])+/", ' ', $s);    return ($level == 1 ? "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?><root>" : '').$s.($level == 1 ? '</root>' : '');}function xml_format_array($arr, $level = 0) {    foreach((array)$arr as $key=>$val) {        if(is_array($val)) {            $val = xml_format_array($val, $level + 1);        }        if(is_string($key) && strpos($key, 'item_') === 0) {            $arr[intval(substr($key, 5))] = $val;            unset($arr[$key]);        } else {            $arr[$key] = $val;        }    }    return $arr;}class XML {    var $parser;    var $document;    var $parent;    var $stack;    var $last_opened_tag;    function XML() {        $this->parser = xml_parser_create('ISO-8859-1');        xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, false);        xml_set_object($this->parser, $this);        xml_set_element_handler($this->parser, 'open','close');        xml_set_character_data_handler($this->parser, 'data');    }    function destruct() {        xml_parser_free($this->parser);    }    function parse(&$data) {        $this->document = array();        $this->stack    = array();        $this->parent   = &$this->document;        return xml_parse($this->parser, $data, true) ? $this->document : NULL;    }    function open(&$parser, $tag, $attributes) {        $this->data = '';        $this->last_opened_tag = $tag;        if(is_array($this->parent) and array_key_exists($tag,$this->parent)) {            if(is_array($this->parent[$tag]) and array_key_exists(0,$this->parent[$tag])) {                $key = count_numeric_items($this->parent[$tag]);            }else{                if(array_key_exists($tag.'_attr',$this->parent)) {                    $arr = array('0_attr'=>&$this->parent[$tag.'_attr'], &$this->parent[$tag]);                    unset($this->parent[$tag.'_attr']);                } else {                    $arr = array(&$this->parent[$tag]);                }                $this->parent[$tag] = &$arr;                $key = 1;            }            $this->parent = &$this->parent[$tag];        } else {            $key = $tag;        }        if($attributes) {            $this->parent[$key.'_attr'] = $attributes;        }        $this->parent  = &$this->parent[$key];        $this->stack[] = &$this->parent;    }    function data(&$parser, $data) {        if($this->last_opened_tag != NULL)            $this->data .= $data;    }    function close(&$parser, $tag) {        if($this->last_opened_tag == $tag) {            $this->parent = $this->data;            $this->last_opened_tag = NULL;        }        array_pop($this->stack);        if($this->stack) $this->parent = &$this->stack[count($this->stack)-1];    }}function count_numeric_items(&$array) {    return is_array($array) ? count(array_filter(array_keys($array), 'is_numeric')) : 0;}?>