从PHP中的简单XML元素提取属性

Question

驾驶我疯狂 - 我有一个简单的XML元素，我只想提取'_Code'属性。我会怎么做？

<?php 

$responseCode = "<STATUS _Condition='FAILURE' _Code='0705' _Description='Search failed subject not found' />"; 
$xml = simplexml_load_string($responseCode); 

print_r($xml); 

$code = $xml=>@attributes=>_Code; // Parse error 
$code = $xml['@attributes']['_Code']; // Returns blank 
echo "CODE = ".(string)$code; 

?> 

CODE =

http://php.net/manual/en/function.simplexml-load-string.php

Answer 1

使用SimpleXMLElement::attributes()

$attrs = $xml->attributes(); 
$code = $attrs['_Code'];