PHP以xml形式获取POST数据

<?php
namespace Home\Controller;

use Think\Controller;

class UrlController extends Controller
{
    //xml形式获取post的值curl
    public function send()
    {
        $header[] = 'Content-type: text/xml';//定义content-type为xml
        $xml = '<xml>';
        $xml .= '<name>name</name>';
        $xml .= '<age>14</age>';
        $xml .= '</xml>';

        $url = 'http://localhost/tp/index.php/Home/Url/get';
        $ch = curl_init(); //初始化curl
        curl_setopt($ch, CURLOPT_URL, $url);//设置链接
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//设置是否返回信息
        curl_setopt($ch, CURLOPT_HTTPHEADER, $header);//设置HTTP头
        curl_setopt($ch, CURLOPT_POST, 1);//设置为POST方式
        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);//POST数据
        $response = curl_exec($ch);//接收返回信息
        if (curl_errno($ch)) {//出错则显示错误信息
            print curl_error($ch);
        }
        curl_close($ch); //关闭curl链接
        //$response可以显示到
        echo $response;//显示返回信息,
    }

    public function get()
    {
        /*$xmldata = file_get_contents("php://input");
        echo $xmldata;*/

        if($GLOBALS['HTTP_RAW_POST_DATA'])
        echo $GLOBALS['HTTP_RAW_POST_DATA'];

}
}

$input = $GLOBALS['HTTP_RAW_POST_DATA'];
    libxml_disable_entity_loader(true);
    $xml = simplexml_load_string($input,'SimpleXMLElement',LIBXML_NOCDATA);
    var_dump($xml);