自动提交表单模拟发起POST请求

<!doctype html>
<html lang="zh">
<head>
    <meta charset="utf-8">
    <title>自动提交表单模拟发起POST请求</title>
</head>
<body>
<form id="form" action="https://www.example.com/api.php" method="post">
    <input type="hidden" name="name" value="张三">
    <input type="hidden" name="sex" value="男">
    <input type="hidden" name="birth" value="2003">
</form>
<script type="text/javascript">
    document.getElementById('form').submit(); // 自动提交表单
</script>
</body>
</html>

<?php
// File Name：api.php
declare(strict_types=1);
ini_set('display_errors', 'On');
ini_set('error_reporting', E_ALL);
function_exists('opcache_reset') && opcache_reset();

$name = $_POST['name'];
$sex = $_POST['sex'];
$birth = $_POST['birth'];
echo "俺叫{$name}（{$sex}），出生于{$birth}年。";