curl请求

//参数1：访问的URL，参数2：post数据(不填则为GET)，参数3：提交的$cookies,参数4：是否返回$cookies

 function curl_request($url,$post='',$cookie='', $returnCookie=0){

        $curl = curl_init();

        curl_setopt($curl, CURLOPT_URL, $url);

        curl_setopt($curl, CURLOPT_USERAGENT, 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)');

        curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);

        curl_setopt($curl, CURLOPT_AUTOREFERER, 1);

        curl_setopt($curl, CURLOPT_REFERER, "http://XXX");

        if($post) {

            curl_setopt($curl, CURLOPT_POST, 1);

            curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post));

        }

        if($cookie) {

            curl_setopt($curl, CURLOPT_COOKIE, $cookie);

        }

        curl_setopt($curl, CURLOPT_HEADER, $returnCookie);

        curl_setopt($curl, CURLOPT_TIMEOUT, 10);

        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

        $data = curl_exec($curl);

        if (curl_errno($curl)) {

            return curl_error($curl);

        }

        curl_close($curl);

        if($returnCookie){

            list($header, $body) = explode("\r\n\r\n", $data, 2);

            preg_match_all("/Set\-Cookie:([^;]*);/", $header, $matches);

            $info['cookie']  = substr($matches[1][0], 1);

            $info['content'] = $body;

            return $info;

        }else{

            return $data;

        }

}