php遍历解析xml字符串的方法phpsoapxml解析php解析xml数据php如何解析xm

<?php
$content = <<

  
    HTTP
    80
    /index.html
    5000
    3000
    2
    3
  
  
    
    
  

XML;
$test = new SimpleXMLElement($content);
//获得ping_protocol的值
$ping_protocol = $test->global_setting->ping_protocol;
echo "ping_protocol : $ping_protocol \n";
//打印出所有instance的IP
foreach ( $test->instances->instance as $instance) {
  echo "IP: {$instance['ip']} \n" ;
}
//这里经过测试,发现使用var_dump之类的似乎不能有效