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Php Xml Class
// description of your code here
大家都知é?“PHP4ä¸æ²¡æœ‰SimpleXML扩展，è¦?XML解æž?æˆ?数组是件麻烦的事，最近æ£å¥½ç”¨åˆ°ç›¸å…³æŠ€æœ¯ï¼ŒäºŽæ˜¯å°±è‡ªå·±å†™ä¸€ä¸ªï¼Œä»¥ä¸‹æ˜¯æº?代ç ?：
SofeeXmlParser.php
<?php
/*
+----------------------------------------------------------------------+
| SofeeFramework for PHP 4 |
+----------------------------------------------------------------------+
| Copyright (c) 2004-2005 Sofee Development Team.(http://www.sofee.cn) |
+----------------------------------------------------------------------+
| This source file is subject to version 1.00 of the Sofee license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.sofee.cn/license/1_00.txt. |
| If you did not receive a copy of the Sofee license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@sofee.cn so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Justin Wu <ezdevelop@gmail.com> |
+----------------------------------------------------------------------+
*/
/* $Id: SofeeXmlParser.php,v 1.3 2005/05/30 06:30:14 wenlong Exp $ */
/**
* Sofee XML Parser class - This is an XML parser based on PHP's "xml" extension.
*
* The SofeeXmlParser class provides a very simple and easily usable toolset to convert XML
* to an array that can be processed with array iterators.
*
* @package SofeeFramework
* @access public
* @version $Revision: 1.1 $
* @author Justin Wu <wenlong@php.net>
* @homepage http://www.sofee.cn
* @copyright Copyright (c) 2004-2005 Sofee Development Team.(http://www.sofee.cn)
* @since 2005-05-30
* @see PEAR:XML_Parser | SimpleXML extension
*/
class SofeeXmlParser {
/**
* XML parser handle
*
* @var resource
* @see xml_parser_create()
*/
var $parser;
/**
* source encoding
*
* @var string
*/
var $srcenc;
/**
* target encoding
*
* @var string
*/
var $dstenc;
/**
* the original struct
*
* @access private
* @var array
*/
var $_struct = array();
/**
* Constructor
*
* @access public
* @param mixed [$srcenc] source encoding
* @param mixed [$dstenc] target encoding
* @return void
* @since
*/
function SofeeXmlParser($srcenc = null, $dstenc = null) {
$this->srcenc = $srcenc;
$this->dstenc = $dstenc;
// initialize the variable.
$this->parser = null;
$this->_struct = array();
}
/**
* Free the resources
*
* @access public
* @return void
**/
function free() {
if (isset($this->parser) && is_resource($this->parser)) {
xml_parser_free($this->parser);
unset($this->parser);
}
}
/**
* Parses the XML file
*
* @access public
* @param string [$file] the XML file name
* @return void
* @since
*/
function parseFile($file) {
$data = @file_get_contents($file) or die("Can't open file $file for reading!");
$this->parseString($data);
}
/**
* Parses a string.
*
* @access public
* @param string [$data] XML data
* @return void
*/
function parseString($data) {
if ($this->srcenc === null) {
$this->parser = @xml_parser_create() or die('Unable to create XML parser resource.');
} else {
$this->parser = @xml_parser_create($this->srcenc) or die('Unable to create XML parser resource with '. $this->srcenc .' encoding.');
}
if ($this->dstenc !== null) {
@xml_parser_set_option($this->parser, XML_OPTION_TARGET_ENCODING, $this->dstenc) or die('Invalid target encoding');
}
xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, 0); // lowercase tags
xml_parser_set_option($this->parser, XML_OPTION_SKIP_WHITE, 1); // skip empty tags
if (!xml_parse_into_struct($this->parser, $data, &$this->_struct)) {
printf("XML error: %s at line %d",
xml_error_string(xml_get_error_code($this->parser)),
xml_get_current_line_number($this->parser)
);
$this->free();
exit();
}
$this->_count = count($this->_struct);
$this->free();
}
/**
* return the data struction
*
* @access public
* @return array
*/
function getTree() {
$i = 0;
$tree = array();
$tree = $this->addNode(
$tree,
$this->_struct[$i]['tag'],
(isset($this->_struct[$i]['value'])) ? $this->_struct[$i]['value'] : '',
(isset($this->_struct[$i]['attributes'])) ? $this->_struct[$i]['attributes'] : '',
$this->getChild($i)
);
unset($this->_struct);
return ($tree);
}
/**
* recursion the children node data
*
* @access public
* @param integer [$i] the last struct index
* @return array
*/
function getChild(&$i) {
// contain node data
$children = array();
// loop
while (++$i < $this->_count) {
// node tag name
$tagname = $this->_struct[$i]['tag'];
$value = isset($this->_struct[$i]['value']) ? $this->_struct[$i]['value'] : '';
$attributes = isset($this->_struct[$i]['attributes']) ? $this->_struct[$i]['attributes'] : '';
switch ($this->_struct[$i]['type']) {
case 'open':
// node has more children
$child = $this->getChild($i);
// append the children data to the current node
$children = $this->addNode($children, $tagname, $value, $attributes, $child);
break;
case 'complete':
// at end of current branch
$children = $this->addNode($children, $tagname, $value, $attributes);
break;
case 'cdata':
// node has CDATA after one of it's children
$children['value'] .= $value;
break;
case 'close':
// end of node, return collected data
return $children;
break;
}
}
//return $children;
}
/**
* Appends some values to an array
*
* @access public
* @param array [$target]
* @param string [$key]
* @param string [$value]
* @param array [$attributes]
* @param array [$inner] the children
* @return void
* @since
*/
function addNode($target, $key, $value = '', $attributes = '', $child = '') {
if (!isset($target[$key]['value']) && !isset($target[$key][0])) {
if ($child != '') {
$target[$key] = $child;
}
if ($attributes != '') {
foreach ($attributes as $k => $v) {
$target[$key][$k] = $v;
}
}
$target[$key]['value'] = $value;
} else {
if (!isset($target[$key][0])) {
// is string or other
$oldvalue = $target[$key];
$target[$key] = array();
$target[$key][0] = $oldvalue;
$index = 1;
} else {
// is array
$index = count($target[$key]);
}
if ($child != '') {
$target[$key][$index] = $child;
}
if ($attributes != '') {
foreach ($attributes as $k => $v) {
$target[$key][$index][$k] = $v;
}
}
$target[$key][$index]['value'] = $value;
}
return $target;
}
}
调用方�：
<?php
$file = 'test.xml';
require_once('SofeeXmlParser.php');
$xml = new SofeeXmlParser();
$xml->parseFile($file);
$tree = $xml->getTree();
unset($xml);
print "<pre>";
print_r($tree);
print "</pre>";
?>
test.xml文件内容：
<?xml version="1.0" encoding="GBK"?>
<nba update="2005-06-07">
<team id="46">皇家马德里</team>
<team id="47">尤文图斯</team>
<team id="51">ç?«ç®</team>
<team id="52">æ²ƒå°”å¤«æ–¯å ¡</team>
<team id="53">å·´å¡žç½—é‚£</team>
<team id="54">太阳</team>
</nba>
输出结果：
Array
(
[nba] => Array
(
[team] => Array
(
[0] => Array
(
[id] => 46
[value] => 皇家马德里
)
[1] => Array
(
[id] => 47
[value] => 尤文图斯
)
[2] => Array
(
[id] => 51
[value] => ç?«ç®
)
[3] => Array
(
[id] => 52
[value] => æ²ƒå°”å¤«æ–¯å ¡
)
[4] => Array
(
[id] => 53
[value] => å·´å¡žç½—é‚£
)
[5] => Array
(
[id] => 54
[value] => 太阳
)
)
[update] => 2005-06-07
[value] =>
)
)
Array
(
[nba] => Array
(
[team] => Array
(
[0] => Array
(
[id] => 46
[value] => 皇家马德里
)
[1] => Array
(
[id] => 47
[value] => 尤文图斯
)
[2] => Array
(
[id] => 51
[value] => ç?«ç®
)
[3] => Array
(
[id] => 52
[value] => æ²ƒå°”å¤«æ–¯å ¡
)
[4] => Array
(
[id] => 53
[value] => å·´å¡žç½—é‚£
)
[5] => Array
(
[id] => 54
[value] => 太阳
)
)
[update] => 2005-06-07
[value] =>
)
)
