<?php

function ($params, $di) {

    $url = 'http://demo.phalapi.net/?s=App.Hello.World';

    $data = ['xxx' => '其他参数'];

    $ch = curl_init();

    curl_setopt($ch, CURLOPT_POST, 1);

    curl_setopt($ch, CURLOPT_URL, $url);

    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

    // 将 curl_exec()获取的信息以文件流的形式返回，而不是直接输出。

    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    // CURLINFO_HEADER_OUT选项可以拿到请求头信息

    curl_setopt($ch, CURLINFO_HEADER_OUT, true);

    // 超时设置

    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);

    curl_setopt($ch, CURLOPT_TIMEOUT, 40);

    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json; charset=utf-8','Content-Length: ' . strlen($data)));

    $return_content = curl_exec($ch);

    $return_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);

    return $return_content;

}