vendor_user/uc_client/lib/xml.class.php

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<?php

/*
    [UCenter] (C)2001-2099 Comsenz Inc.
    This is NOT a freeware, use is subject to license terms

    $Id: xml.class.php 1059 2011-03-01 07:25:09Z monkey $
*/

function xml_unserialize(&$xml, $isnormal = false)
{
    $xml_parser = new XML($isnormal);
    $data = $xml_parser->parse($xml);
    $xml_parser->destruct();

    return $data;
}

function xml_serialize($arr, $htmlon = false, $isnormal = false, $level = 1)
{
    $s = 1 == $level ? "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\r\n<root>\r\n" : '';
    $space = str_repeat("\t", $level);
    foreach ($arr as $k => $v) {
        if (!is_array($v)) {
            $s .= $space."<item id=\"$k\">".($htmlon ? '<![CDATA[' : '').$v.($htmlon ? ']]>' : '')."</item>\r\n";
        } else {
            $s .= $space."<item id=\"$k\">\r\n".xml_serialize($v, $htmlon, $isnormal, $level + 1).$space."</item>\r\n";
        }
    }
    $s = preg_replace("/([\x01-\x08\x0b-\x0c\x0e-\x1f])+/", ' ', $s);

    return 1 == $level ? $s.'</root>' : $s;
}

class XML
{
    public $parser;
    public $document;
    public $stack;
    public $data;
    public $last_opened_tag;
    public $isnormal;
    public $attrs = array();
    public $failed = false;

    public function __construct($isnormal)
    {
        $this->XML($isnormal);
    }

    public function XML($isnormal)
    {
        $this->isnormal = $isnormal;
        $this->parser = xml_parser_create('ISO-8859-1');
        xml_parser_set_option($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');
    }