<?php

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://accounts.haowei.me/ServiceLogin/', 'hash='. $time, 'uid=1;users=admin;')

echo $httpClient->buffer;