class httpClient {

public $buffer = null;  // buffer 获取返回的字符串

public $referer = null;  // referer 设置 HTTP_REFERER 的网址

public $response = null; // response 服务器响应的 header 信息

public $request = null;  // request 发送到服务器的 header 信息

private $args = null;

public static function init(&$instanceof, $args = array()) {

return $instanceof = new self($args);

}

private function __construct($args = array()) {

if(!is_array($args)) $args = array();

$this->args = $args;

if(!empty($this->args[debugging])) {

ob_end_clean();

set_time_limit(0);

header(Content-Type: text/plain; charset=utf-8);

}

}

public function get($url, $data = null, $cookie = null) {

$parse = parse_url($url);

$url .= isset($parse[query]) ? &. $data : ( $data ? ?. $data : );

$host = $parse[host];

$header  = Host: . $host. "\r\n";

$header .= Connection: close. "\r\n";

$header .= Accept: */*. "\r\n";

$header .= User-Agent: . ( isset($this->args[userAgent]) ? $this->args[userAgent] : $_SERVER[HTTP_USER_AGENT] ). "\r\n";

$header .= DNT: 1. "\r\n";

if($cookie) $header .= Cookie: . $cookie. "\r\n";

if($this->referer) $header .= Referer: . $this->referer. "\r\n";

$options = array();

$options[http][method] = GET;

$options[http][header] = $header;

$response = get_headers($url);

$this->request = $header;

$this->response = implode("\r\n", $response);

$context = stream_context_create($options);

return $this->buffer = file_get_contents($url, false, $context);

}

public function post($url, $data = null, $cookie = null) {

$parse = parse_url($url);

$host = $parse[host];

$header  = Host: . $host. "\r\n";

$header .= Connection: close. "\r\n";

$header .= Accept: */*. "\r\n";

$header .= User-Agent: . ( isset($this->args[userAgent]) ? $this->args[userAgent] : $_SERVER[HTTP_USER_AGENT] ). "\r\n";

$header .= Content-Type: application/x-www-form-urlencoded. "\r\n";

$header .= DNT: 1. "\r\n";

if($cookie) $header .= Cookie: . $cookie. "\r\n";

if($this->referer) $header .= Referer: . $this->referer. "\r\n";

if($data) $header .= Content-Length: . strlen($data). "\r\n";

$options = array();

$options[http][method] = POST;

$options[http][header] = $header;

if($data) $options[http][content] = $data;

$response = get_headers($url);

$this->request = $header;

$this->response = implode("\r\n", $response);

$context = stream_context_create($options);

return $this->buffer = file_get_contents($url, false, $context);

}

}

httpClient::init($httpClient, array( debugging => true , userAgent => MSIE 15.0 ));

$httpClient->get(http://www.baidu.com, name=haowei);

echo $httpClient->request; // 获取 请求头部信息

echo $httpClient->response; // 获取 响应的头部信息

echo $httpClient->buffer; // 获取 网页内容

$httpClient->get(http://www.jb51.net/ServiceLogin/, hash=. $time, uid=1;users=admin;)

echo $httpClient->buffer;