在http的head中传递参数。

function httpCurl($url,  $postData = array(), $isSsl = 0,$timeout=10)
{
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_HTTPHEADER, $postData);
    curl_setopt ( $ch, CURLOPT_POST, count ( $postData ));
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt ( $ch, CURLOPT_URL, $url );
    curl_setopt ( $ch, CURLOPT_POSTFIELDS, http_build_query ( $postData ) );
    curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
    curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);

    if ($isSsl > 0) {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    }
    $result = curl_exec($ch);
    if (curl_errno($ch)) {
        $msg = "请求URL:" . $url . " 参数：".var_export($postData,true).",错误:" . curl_error($ch);
    } else {
        $res = is_array($result) ? var_export($result) : $result;
        $msg = "请求URL:" . $url . "参数：".var_export($postData,true).",返回结果:" . $res;
    }
    log($msg);
    curl_close($ch);
    return $result;
}