基于PHP对XML的操作详解

  <?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

  ?>