将php响应转换为xml

尝试使用php curl

$url=sample url;
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL,$url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
    curl_setopt($ch, CURLOPT_USERPWD, "$username:$password");
    $result = curl_exec($ch);
    curl_close($ch);  
    echo($result); 

url的确切响应是xml。但它显示如下

Opening communication link successful.Writing request to xxxxxxxxx request successful.No parameters returned from: No parameters returned from xxxxxx

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需要将响应转换为xml。

是否选中“查看源代码”？是@Evert。选中的。在其xmlThen的页面源代码中，输出已经是xml。