stream_context_create() 模拟提交

  <?php

    $data = [
        'author' => 'jack',
        'email' => '110@qq.com',
        'text' => '给力给力',
    ];
   
    $data = http_build_query($data);

    $opts = [
        'http' => [
            'method' => 'POST',
            'header' => "Content-type:application/x-www-form-urlencoded\r\n" . "Content-Length:" . strlen($data) . "\r\n",
            'content' => $data,
        ]
    ];

    $context = stream_context_create($opts);

    $url = 'http://localhost/test/response.php';

    $html = file_get_contents($url, false, $context);
    echo $html;

http://localhost/test/response.php 此URL中包含的代码

····

<?php

    $data = json_encode($_POST);
    file_put_contents('./a.txt', $data, FILE_APPEND);

····