'cache', 'timeout' => 30, 'connect_timeout' => 15, 'max_redirects' => 5 ]); // 处理请求 if (!empty($url)) { $proxy->processRequest($url); } else { // 输出错误信息 header("HTTP/1.1 400 Bad Request"); header("Content-type: image/jpeg"); echo base64_decode('R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'); }