php httpClient 类

<?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;