php发送https请求

<?php

function curl_get_https($url)

{
$curl = curl_init();

//如果需要参数，设置POST参数

$post_string = array('usercode'=>'123456','password'=>'123'); 
curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post_string));


curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 跳过检查
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false); // 跳过检查
$tmpInfo = curl_exec($curl);
curl_close($curl);
return $tmpInfo; //返回json对象
}

$url = "https://www.baidu.com";
$result = curl_get_https($url);
var_dump($result);
?>