<?php

/**

 * 模拟post进行url请求

 * @param string $url

 * @param array $postData

 */

function request_post($url = '', $postData = []) {

     if (empty($url)) {

         return false;

     }

     if ($postData != []) {

          $vars = http_build_query($postData, '', '&');

        curl_setopt($ch, CURLOPT_POSTFIELDS, $vars);

     }

     $postUrl = $url;

     //初始化curl //转义

     $ch = curl_init();

     //抓取指定网页

     curl_setopt($ch, CURLOPT_URL,$postUrl);

     //设置header

     curl_setopt($ch, CURLOPT_HEADER, 0);

     //要求结果为字符串且输出到屏幕上

     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

    //规避SSL验证

     curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

    //跳过HOST验证

     curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

     //运行curl

     $data = curl_exec($ch);

     curl_close($ch);

     return $data;

}

/**

 * 测试

 * @param string $url

 */

function testAction() {

     $url = 'https://www.sojson.com/open/api/weather/json.shtml?city=北京';

    $res = request_post($url);

    print_r($res);

}

testAction();