PHP对XML的操作

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<?php  

    $xml = simplexml_load_file('example.xml');              //创建SimpleXML对象   

    var_dump($xml);                                                             //输出XML   

?>  

<?php  

    $xml = simplexml_load_file('example.xml');          //读取XML文件   

    foreach($xml->depart as $a)                                    //循环读取XML数据中的每一个depart标签   

    {  

        echo "$a->name <BR>";                                       //输出其中的name属性   

    }  

?>  

<?php  

    $xml = simplexml_load_file('example.xml');          //读取XML文件   

    echo $xml->depart->name[0];                                  //输出节点   

?>  

<?php  

    $xml = simplexml_load_file('example.xml');  

    foreach ($xml->depart->children() as $depart)             //循环读取depart标签下的子标签   

    {  

       var_dump($depart);                                                        //输出标签的XML数据   

    }  

?>  

<?php  

    $xml = simplexml_load_file('example.xml');                      //读取XML文件   

    $result = $xml->xpath('/departs/depart/employees/employee/name');        //定义节点   

    var_dump($result);                                          //输出节点   

?>  

<?php  

    $xml = simplexml_load_file('example.xml');              //读取XML   

    $xml->depart->name[0] = "Human Resource";         //修改节点   

?>  

<?php  

    $xml = simplexml_load_file('example.xml');              //读取XML数据   

    echo $xml->asXML();                                                     //标准化XML数据   

?>  

<?php  

    $xml = simplexml_load_file('example.xml');              //读取XML数据   

    $newxml = $xml->asXML();                         //标准化XML数据   

    $fp = fopen("newxml.xml", "w");                  //打开要写入XML数据的文件   

    fwrite($fp, $newxml);                                    //写入XML数据   

    fclose($fp);                                                     //关闭文件   

?>