simplexml_load_string 解析gb2312编码的xml

<?php
header('Content-type:text/html;charset=UTF-8');
$url = 'http://www.xxx.com/text.xml';

$content = str_replace('gb2312', 'UTF-8', file_get_contents($url));
$content = iconv('GBK', 'UTF-8', $content);

// $content = utf8_encode($content);
// print_r($content);
// echo "<BR />************<BR />";
try{
	$data = simplexml_load_string($content) or die('unable to load xml');
}catch(Excetion $e){
	print_r($e->getMessage());
}
if(isset($data->Item)){
	echo "ok<br />";
}else{
	echo "error<br />";
}

echo "<BR />************<BR />";
print_r($data);

// $content = sxe($url);
// var_dump($content);

function sxe($url)
{   
    $xml = file_get_contents($url);
    foreach ($http_response_header as $header)
    {   
        if (preg_match('#^Content-Type: text/xml; charset=(.*)#i', $header, $m))
        {   
            switch (strtolower($m[1]))
            {   
                case 'utf-8':
                    // do nothing
                    break;

                case 'iso-8859-1':
                    $xml = utf8_encode($xml);
                    break;

                default:
                    $xml = iconv($m[1], 'utf-8', $xml);
            }
            break;
        }
    }

    return simplexml_load_string($xml);
}

　　

参考：

http://stackoverflow.com/questions/2899274/php-simplexml-why-does-simplexml-load-string-fail-to-parse-google-weather

http://bbs.csdn.net/topics/390070967#post-391437130

http://php.net/manual/zh/function.iconv.php

http://zhidao.baidu.com/question/157551132.html?fr=iks&word=php+%BD%E2%CE%F6xml%C2%D2%C2%EB&ie=gbk