<?php
function https_request($url, $data = null,$time_out=60,$out_level="s",$headers=array())
{
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_NOSIGNAL, 1);
    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, $data);
    }
    if($out_level=="s")
    {
        //超时以秒设置
        curl_setopt($curl, CURLOPT_TIMEOUT,$time_out);//设置超时时间
    }elseif ($out_level=="ms") 
    {
        curl_setopt($curl, CURLOPT_TIMEOUT_MS,$time_out);  //超时毫秒，curl 7.16.2中被加入。从PHP 5.2.3起可使用 
    }
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    if($headers)
    {
        curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);//如果有header头 就发送header头信息
    }
    $output = curl_exec($curl);
    curl_close($curl);
    return $output;
}
?>