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<?php
/**
*
* @author gaoran
* Another new parser for (X|HT)ML(stream version)
* @version 1.0 2014-06-02 18:10:00
* 感谢我的老大moon，之前moon写了一个XMLParser的类，但是我觉得不是我想要的，于是自己重新封装了一遍，自我感觉简单，好用
*/
class New_XMLParser extends
XMLReader{
private
$_tagName;
/**
* 设置打开xml文件的路径
*/
public
function open($xml,$encoding=null,$option=null){
parent::open($xml, $encoding, $option);
}
/**
* 设置要读取数据的节点名称
*/
public
function setTagName($tagName){
$this->_tagName = $tagName;
}
/**
* 每次读取一个节点数据，以数组格式返回
*/
public
function getData(){
if(!$this->_tagName){return
false;}
while($this->read()){
$tagName
= $this->name;
if($this->nodeType == XMLReader::ELEMENT && $this->_tagName == $tagName){
$dom
= new DOMDocument(‘1.0‘, ‘utf-8‘);
$d
= $dom->importNode($this->expand(), true);
//$dom->appendChild($d);
$appinfo
= $this->domToArray($d);
return
$appinfo;
}
}
return
false;
}
/**
*
* @param SimpleXMLElement|DOMDocument|DOMNode $obj SimpleXMLElement, DOMDocument or DOMNode instance
* @return array Array representation of the XML structure.
*/
public
static function domToArray($obj) {
if
($obj instanceof DOMNode) {
$obj
= simplexml_import_dom($obj);
}
$result
= array();
$namespaces
= array_merge(array(‘‘
=> ‘‘), $obj->getNamespaces(true));
self::_toArray($obj, $result, ‘‘, array_keys($namespaces));
return
$result;
}
protected
static function _toArray($xml, &$parentData, $ns, $namespaces) {
$data
= array();
foreach
($namespaces
as $namespace) {
foreach
($xml->attributes($namespace, true) as
$key => $value) {
if
(!empty($namespace)) {
$key
= $namespace
. ‘:‘ . $key;
}
$data[‘@‘
. $key] = (string)$value;
}
foreach
($xml->children($namespace, true) as
$child) {
self::_toArray($child, $data, $namespace, $namespaces);
}
}
$asString
= trim((string)$xml);
if
(empty($data)) {
$data
= $asString;
} elseif
(!empty($asString)) {
$data[‘@‘] = $asString;
}
if
(!empty($ns)) {
$ns
.= ‘:‘;
}
$name
= $ns . $xml->getName();
if
(isset($parentData[$name])) {
if
(!is_array($parentData[$name]) || !isset($parentData[$name][0])) {
$parentData[$name] = array($parentData[$name]);
}
$parentData[$name][] = $data;
} else
{
$parentData[$name] = $data;
}
}
/*
* 关闭XML流
*/
public
function close(){
parent::close();
}
}
class
Demo{
public
function run(){
$im
= new New_XMLParser();
$im->open(‘yingyonghui‘);
$im->setTagName("webName");
print_r($im->getData());
$im->setTagName("webSiteUrl");
print_r($im->getData());
$im->setTagName("app");
print_r($im->getData());
//$im->open(‘yingyonghui‘);
$i
= 0;
while($i
< 3 && $appinfo
= $im->getData()){
print_r($appinfo);
$i
++;
}
$im->close();
}
}
$d = new Demo();
$d->run();
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