模拟请求之 HTTP_Request2

简单安装：
pear install HTTP_Request2

使用例子：

 <?php
 require_once 'HTTP/Request2.php';
 $request = new HTTP_Request2('http://localhost/', HTTP_Request2::METHOD_GET);
 try {
     $response = $request->send();
     if (200 == $response->getStatus()) {
         echo $response->getBody();
     } else {
         echo 'Unexpected HTTP status: ' . $response->getStatus() . ' ' .
              $response->getReasonPhrase();
     }
 } catch (HTTP_Request2_Exception $e) {
     echo 'Error: ' . $e->getMessage();
 }
 ?>

详情：http://pear.php.net/manual/en/package.http.http-request2.intro.php