php 读取xml的方法三---xmlreader来读取xml数据

xml源文件

<?xml  version="1.0 encoding="UTF-8"?>
  <humans>
  <zhangying>
  <name>张映</name>
  <sex>男</sex>
  <old>28</old>
  </zhangying>
  <tank>
  <name>tank</name>
  <sex>男</sex>
  <old>28</old>
  </tank>
  </humans>

<?php $reader = new XMLReader();
$reader->open('person.xml');                                                     //读取xml数据
$i=1;
while ($reader->read()) {                                                              //是否读取
if ($reader->nodeType == XMLReader::TEXT) {               //判断node类型
  if($i%3){
   echo $reader->value;                                                                  //取得node的值
  }else{
   echo $reader->value."<br>" ;
  }
  $i++;
}
}
?>

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