php生成curl命令行的方法

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();