<?php

header("Content-type: text/html; charset=utf-8");    

/**

* curl 传递数据

*/

class curl {

	private $curl_resource;

	private $url = '';

	private $input = array();

	private $curl_error = '';

	private $curl_info = '';

	public  $response;

	public function __construct($url) {

		$this->url = $url;

	}

	public function get_info() {

		return array('url'=>$this->url,'input'=>$this->input,'curl_error'=>$this->curl_error,'curl_info'=>$this->curl_info);

	}

	private function connect() {

		$this->curl_resource = curl_init();

		curl_setopt($this->curl_resource, CURLOPT_HEADER, 0 ); // 过滤HTTP头

		curl_setopt($this->curl_resource,CURLOPT_RETURNTRANSFER, 1);// 显示输出结果

		curl_setopt($this->curl_resource, CURLOPT_TIMEOUT, 30);    // 设置超时限制防止死循环

	}

	public function post($input) {

		$this->connect();

		$input = (array) $input;

		$this->input = $input;

        $input = http_build_query($input); //根据数组产生一个urlencode之后的请求字符串

        curl_setopt($this->curl_resource, CURLOPT_URL, $this->url);

        curl_setopt($this->curl_resource,CURLOPT_POST,true); // post传输数据

        curl_setopt($this->curl_resource,CURLOPT_POSTFIELDS,$input); // post传输数据

        $this->curl_error = curl_error($this->curl_resource);

        $this->curl_info = curl_getinfo($this->curl_resource);

        $this->response = curl_exec($this->curl_resource);

        curl_close($this->curl_resource);

		return $this->response;

	}

	public function get($input) {

		$this->connect();

		$input = (array) $input;

		$this->input = $input;

        $input = $this->url.'?'.http_build_query($input);

        curl_setopt($this->curl_resource, CURLOPT_URL, $input);

        $this->response = curl_exec($this->curl_resource);

        curl_close($this->curl_resource);

		return $this->response;

	}

}

$curl = new curl('http://www.test.com/index.php');

print_r($curl->post('post传递数据'));

var_dump($curl->get_info());

print_r($curl->get('get传递数据'));

var_dump($curl->get_info());