curl请求

function http_request($url, $data = null, $headers = array())

{

    $curl = curl_init();

    if (count($headers) >= 1) {

        curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);

    }

    curl_setopt($curl, CURLOPT_URL, $url);


    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);

    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);


    if (!empty($data)) {

        curl_setopt($curl, CURLOPT_POST, 1);

        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);

    }

    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);

    $output = curl_exec($curl);
    echo curl_getinfo($curl, CURLINFO_HEADER_OUT);
    curl_close($curl);


    return $output;
}