服务器端PHP生成curl命令行

<?php
/**
 * Author: xishizhaohua@qq.com
 * Date: 2015/11/2
 * 
 */
function getCurlCommand()
{
    try {
        if (php_sapi_name() == 'error cli'){
            throw new Exception("cli");
        }
        $curlCommand = 'curl ';
        $postData = $getData = '';
        if($_GET) {
            $gets = http_build_query($_GET);
            $getData .= strpos($curlCommand, '?') ? '&' . $gets : '?' . $gets;
        }
        if ($_SERVER['REQUEST_METHOD'] == 'POST' ) {
            $posts = http_build_query($_POST);
            $postData = ' -d "' . $posts . '"';
        }
        $path = isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] : $_SERVER['PHP_SELF'];
        $curlCommand .= '"' . "http://{$_SERVER['HTTP_HOST']}" . $path . $getData . '"';
        if ($postData) {
            $curlCommand .= $postData;
        }
        $headers = array();
        if (function_exists('getallheaders')) {
            $headers = getallheaders();
        } else {
            foreach ($_SERVER as $name => $value) {
                if (substr($name, 0, 5) == 'HTTP_') {
                    $headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
                }
            }
        }
        foreach ($headers as $key => $value) {
            if($key == 'Accept-Encoding')  $value = str_replace('gzip, ','',$value);
            $curlCommand .= ' -H "' . $key . ':' . $value . '"';
        }
        return $curlCommand;
    } catch (Exception $e) {
        return $e->getMessage();
    }
}
echo getCurlCommand();

curl “http://localhost/other/serverInfo.php?dd=ddd” -H “Host:localhost” -H “Connection:keep-alive”
 -H “Cache-Control:max-age=0” -H “Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8”
  -H “User-Agent:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.132 Safari/537.36”
   -H “DNT:1” -H “Accept-Encoding:deflate, sdch” -H “Accept-Language:zh-CN,zh;q=0.8,en;q=0.6” -H “Cookie:name=shikiliu; email=xishizhaohua%40qq.com”