PHP 构造模拟http请求https_request支持GET和POST

/*
**PHP 构造 模拟 http 请求 https_request 支持GET和POST
*/
function https_request($url, $data = null)
{
    $curl = curl_init();//初始化
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_TIMEOUT, 30);//允许 cURL 函数执行的最长秒数。
    /*if (!empty($port)) {
        curl_setopt($curl, CURLOPT_PORT, $port);//可选的用来指定连接端口，默认80端口可不写
    }*/
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-type: application/json;charset=UTF-8'));//设置请求目标url头部信息
    if (!empty($data)) {
        //$data不为空，发送post请求
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data); //$data：数组
    }
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $output = curl_exec($curl);//执行命令
    $error = curl_error($curl);//错误信息
    if ($error || $output == FALSE) {
        //报错信息
        return 'ERROR ' . curl_error($curl);
    }
    curl_close($curl);
    return $output;
}