PHP XML Library：一个不错的PHP XML操作类

江风低吟离别歌[原创]

告别，学生时代……[原创]

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[

2007-6-19 19:08 | by 张宴 ]

　　今天在PHP4环境下重新写一个接口程序，需要大量分析解析XML，PHP的xml_parse_into_struct()函数不能直接生成便于使用的数组，而SimpleXML扩展在PHP5中才支持，于是逛逛搜索引擎，在老外的网站上找到了一个不错的PHP XML操作类。

一、用法举例：
1、将XML文件解释成便于使用的数组：

data.xml文件：

利用该XML操作类生成的对应数组（汉字编码：UTF-8）：

2、将数组转换成XML文件：

二、PHP XML操作类源代码：

<?php 
################################################################################### 
# 
# XML Library, by Keith Devens, version 1.2b 
# <a href="http://keithdevens.com/software/phpxml" target="_blank">http://keithdevens.com/software/phpxml</a> 
# 
# This code is Open Source, released under terms similar to the Artistic License. 
# Read the license at <a href="http://keithdevens.com/software/license" target="_blank">http://keithdevens.com/software/license</a> 
# 
###################################################################################

################################################################################### 
# XML_unserialize: takes raw XML as a parameter (a string) 
# and returns an equivalent PHP data structure 
################################################################################### 
function & XML_unserialize(&$xml){ 
    $xml_parser = &new XML(); 
    $data = &$xml_parser->parse($xml); 
    $xml_parser->destruct(); 
    return $data; 
} 
################################################################################### 
# XML_serialize: serializes any PHP data structure into XML 
# Takes one parameter: the data to serialize. Must be an array. 
################################################################################### 
function & XML_serialize(&$data, $level = 0, $prior_key = NULL){ 
    if($level == 0){ ob_start(); echo '<?xml version="1.0" ?>',"\n"; } 
    while(list($key, $value) = each($data)) 
        if(!strpos($key, ' attr')) #if it's not an attribute 
            #we don't treat attributes by themselves, so for an empty element 
            # that has attributes you still need to set the element to NULL

if(is_array($value) and array_key_exists(0, $value)){ 
                XML_serialize($value, $level, $key); 
            }else{ 
                $tag = $prior_key ? $prior_key : $key; 
                echo str_repeat("\t", $level),'<',$tag; 
                if(array_key_exists("$key attr", $data)){ #if there's an attribute for this element 
                    while(list($attr_name, $attr_value) = each($data["$key attr"])) 
                        echo ' ',$attr_name,'="',htmlspecialchars($attr_value),'"'; 
                    reset($data["$key attr"]); 
                }

if(is_null($value)) echo " />\n"; 
                elseif(!is_array($value)) echo '>',htmlspecialchars($value),"</$tag>\n"; 
                else echo ">\n",XML_serialize($value, $level+1),str_repeat("\t", $level),"</$tag>\n"; 
            } 
    reset($data); 
    if($level == 0){ $str = &ob_get_contents(); ob_end_clean(); return $str; } 
} 
################################################################################### 
# XML class: utility class to be used with PHP's XML handling functions 
################################################################################### 
class XML{ 
    var $parser;   #a reference to the XML parser 
    var $document; #the entire XML structure built up so far 
    var $parent;   #a pointer to the current parent - the parent will be an array 
    var $stack;    #a stack of the most recent parent at each nesting level 
    var $last_opened_tag; #keeps track of the last tag opened.

技术大类 » PHP/JS/Shell | 评论(42) | 引用(0) | 阅读(94889)

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