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<?php 
//創(chuàng)建一個新的DOM文檔 
$dom = new DomDocument(); 
//在根節(jié)點(diǎn)創(chuàng)建departs標(biāo)簽 
$departs = $dom->createElement('departs'); 
$dom->appendChild($departs); 
//在departs標(biāo)簽下創(chuàng)建depart子標(biāo)簽 
$depart = $dom->createElement('depart'); 
$departs->appendChild($depart); 
//在depart標(biāo)簽下創(chuàng)建employees子標(biāo)簽 
$employees = $dom->createElement('employees'); 
$depart->appendChild($employees); 
//在employees標(biāo)簽下創(chuàng)建employee子標(biāo)簽 
$employee = $dom->createElement('employee'); 
$employees->appendChild($employee); 
//在employee標(biāo)簽下創(chuàng)建serial_no子標(biāo)簽 
$serial_no = $dom->createElement('serial_no'); 
$employee->appendChild($serial_no); 
//為serial_no標(biāo)簽添加值節(jié)點(diǎn)100001 
$serial_no_value = $dom->createTextNode('100001'); 
$serial_no->appendChild($serial_no_value); 
//輸出XML數(shù)據(jù) 
echo $dom->saveXML(); 
?> 

<?php 
$dom = new DomDocument(); //創(chuàng)建DOM對象 
$dom->load('example.xml'); //讀取XML文件 
$root = $dom->documentElement; //獲取XML數(shù)據(jù)的根 
read_child($root); //調(diào)用read_child函數(shù)讀取根對象 

function read_child($node) 
{ 
$children = $node->childNodes; //獲得$node的所有子節(jié)點(diǎn) 

foreach($children as $e) //循環(huán)讀取每一個子節(jié)點(diǎn) 
{ 
if($e->nodeType == XML_TEXT_NODE) //如果子節(jié)點(diǎn)為文本型則輸出 
{ 
echo $e->nodeValue."<BR>"; 
} 
else if($e->nodeType == XML_ELEMENT_NODE) //如果子節(jié)點(diǎn)為節(jié)點(diǎn)對象，則調(diào)用函數(shù)處理 
{ 
read_child($e); 
} 
} 
} 
?>