$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wx24a0ef05af955bdd&secret=f721b4d068d74a8a37817707a7cf316b";
//支持post/get只需修改参数get/post
function https_request($url,$data = null,$method="POST")
{
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);//// 跳过证书检查

curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); // 从证书中检查SSL加密算法是否存在

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);
    curl_close($curl);
    return $output;
}